2891818384

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{811}}^1$

素因数の和:949

約数の個数: 160

約数和(自身を含む): 7217315840

約数和(自身を除く): 4325497456

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 31, 52, 56, 62, 79, 91, 104, 112, 124, 158, 182, 208, 217, 248, 316, 364, 403, 434, 496, 553, 632, 728, 806, 811, 868, 1027, 1106, 1264, 1456, 1612, 1622, 1736, 2054, 2212, 2449, 2821, 3224, 3244, 3472, 4108, 4424, 4898, 5642, 5677, 6448, 6488, 7189, 8216, 8848, 9796, 10543, 11284, 11354, 12976, 14378, 16432, 17143, 19592, 21086, 22568, 22708, 25141, 28756, 31837, 34286, 39184, 42172, 45136, 45416, 50282, 57512, 63674, 64069, 68572, 73801, 84344, 90832, 100564, 115024, 127348, 128138, 137144, 147602, 168688, 175987, 201128, 222859, 254696, 256276, 274288, 295204, 326833, 351974, 402256, 445718, 448483, 509392, 512552, 590408, 653666, 703948, 832897, 891436, 896966, 1025104, 1180816, 1307332, 1407896, 1665794, 1782872, 1793932, 1986139, 2287831, 2614664, 2815792, 3331588, 3565744, 3587864, 3972278, 4575662, 5229328, 5830279, 6663176, 7175728, 7944556, 9151324, 11660558, 13326352, 13902973, 15889112, 18302648, 23321116, 25819807, 27805946, 31778224, 36605296, 46642232, 51639614, 55611892, 93284464, 103279228, 111223784, 180738649, 206558456, 222447568, 361477298, 413116912, 722954596, 1445909192, 2891818384]

約数ペア:

[(1, 2891818384), (2, 1445909192), (4, 722954596), (7, 413116912), (8, 361477298), (13, 222447568), (14, 206558456), (16, 180738649), (26, 111223784), (28, 103279228), (31, 93284464), (52, 55611892), (56, 51639614), (62, 46642232), (79, 36605296), (91, 31778224), (104, 27805946), (112, 25819807), (124, 23321116), (158, 18302648), (182, 15889112), (208, 13902973), (217, 13326352), (248, 11660558), (316, 9151324), (364, 7944556), (403, 7175728), (434, 6663176), (496, 5830279), (553, 5229328), (632, 4575662), (728, 3972278), (806, 3587864), (811, 3565744), (868, 3331588), (1027, 2815792), (1106, 2614664), (1264, 2287831), (1456, 1986139), (1612, 1793932), (1622, 1782872), (1736, 1665794), (2054, 1407896), (2212, 1307332), (2449, 1180816), (2821, 1025104), (3224, 896966), (3244, 891436), (3472, 832897), (4108, 703948), (4424, 653666), (4898, 590408), (5642, 512552), (5677, 509392), (6448, 448483), (6488, 445718), (7189, 402256), (8216, 351974), (8848, 326833), (9796, 295204), (10543, 274288), (11284, 256276), (11354, 254696), (12976, 222859), (14378, 201128), (16432, 175987), (17143, 168688), (19592, 147602), (21086, 137144), (22568, 128138), (22708, 127348), (25141, 115024), (28756, 100564), (31837, 90832), (34286, 84344), (39184, 73801), (42172, 68572), (45136, 64069), (45416, 63674), (50282, 57512)]