217510384

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1$

素因数の和:199

約数の個数: 160

約数和(自身を含む): 551075840

約数和(自身を除く): 333565456

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 31, 52, 56, 61, 62, 79, 91, 104, 112, 122, 124, 158, 182, 208, 217, 244, 248, 316, 364, 403, 427, 434, 488, 496, 553, 632, 728, 793, 806, 854, 868, 976, 1027, 1106, 1264, 1456, 1586, 1612, 1708, 1736, 1891, 2054, 2212, 2449, 2821, 3172, 3224, 3416, 3472, 3782, 4108, 4424, 4819, 4898, 5551, 5642, 6344, 6448, 6832, 7189, 7564, 8216, 8848, 9638, 9796, 11102, 11284, 12688, 13237, 14378, 15128, 16432, 17143, 19276, 19592, 22204, 22568, 24583, 26474, 28756, 30256, 31837, 33733, 34286, 38552, 39184, 44408, 45136, 49166, 52948, 57512, 62647, 63674, 67466, 68572, 77104, 88816, 98332, 105896, 115024, 125294, 127348, 134932, 137144, 149389, 172081, 196664, 211792, 222859, 250588, 254696, 269864, 274288, 298778, 344162, 393328, 438529, 445718, 501176, 509392, 539728, 597556, 688324, 877058, 891436, 1002352, 1045723, 1195112, 1376648, 1754116, 1782872, 1942057, 2091446, 2390224, 2753296, 3508232, 3565744, 3884114, 4182892, 7016464, 7768228, 8365784, 13594399, 15536456, 16731568, 27188798, 31072912, 54377596, 108755192, 217510384]

約数ペア:

[(1, 217510384), (2, 108755192), (4, 54377596), (7, 31072912), (8, 27188798), (13, 16731568), (14, 15536456), (16, 13594399), (26, 8365784), (28, 7768228), (31, 7016464), (52, 4182892), (56, 3884114), (61, 3565744), (62, 3508232), (79, 2753296), (91, 2390224), (104, 2091446), (112, 1942057), (122, 1782872), (124, 1754116), (158, 1376648), (182, 1195112), (208, 1045723), (217, 1002352), (244, 891436), (248, 877058), (316, 688324), (364, 597556), (403, 539728), (427, 509392), (434, 501176), (488, 445718), (496, 438529), (553, 393328), (632, 344162), (728, 298778), (793, 274288), (806, 269864), (854, 254696), (868, 250588), (976, 222859), (1027, 211792), (1106, 196664), (1264, 172081), (1456, 149389), (1586, 137144), (1612, 134932), (1708, 127348), (1736, 125294), (1891, 115024), (2054, 105896), (2212, 98332), (2449, 88816), (2821, 77104), (3172, 68572), (3224, 67466), (3416, 63674), (3472, 62647), (3782, 57512), (4108, 52948), (4424, 49166), (4819, 45136), (4898, 44408), (5551, 39184), (5642, 38552), (6344, 34286), (6448, 33733), (6832, 31837), (7189, 30256), (7564, 28756), (8216, 26474), (8848, 24583), (9638, 22568), (9796, 22204), (11102, 19592), (11284, 19276), (12688, 17143), (13237, 16432), (14378, 15128)]