257931648

素因数分解:

$2^7\times 3^3\times {\mathrm{13}}^1\times {\mathrm{5741}}^1$

素因数の和:5777

約数の個数: 128

約数和(自身を含む): 819957600

約数和(自身を除く): 562025952

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 27, 32, 36, 39, 48, 52, 54, 64, 72, 78, 96, 104, 108, 117, 128, 144, 156, 192, 208, 216, 234, 288, 312, 351, 384, 416, 432, 468, 576, 624, 702, 832, 864, 936, 1152, 1248, 1404, 1664, 1728, 1872, 2496, 2808, 3456, 3744, 4992, 5616, 5741, 7488, 11232, 11482, 14976, 17223, 22464, 22964, 34446, 44928, 45928, 51669, 68892, 74633, 91856, 103338, 137784, 149266, 155007, 183712, 206676, 223899, 275568, 298532, 310014, 367424, 413352, 447798, 551136, 597064, 620028, 671697, 734848, 826704, 895596, 1102272, 1194128, 1240056, 1343394, 1653408, 1791192, 2015091, 2204544, 2388256, 2480112, 2686788, 3306816, 3582384, 4030182, 4776512, 4960224, 5373576, 6613632, 7164768, 8060364, 9553024, 9920448, 10747152, 14329536, 16120728, 19840896, 21494304, 28659072, 32241456, 42988608, 64482912, 85977216, 128965824, 257931648]

約数ペア:

[(1, 257931648), (2, 128965824), (3, 85977216), (4, 64482912), (6, 42988608), (8, 32241456), (9, 28659072), (12, 21494304), (13, 19840896), (16, 16120728), (18, 14329536), (24, 10747152), (26, 9920448), (27, 9553024), (32, 8060364), (36, 7164768), (39, 6613632), (48, 5373576), (52, 4960224), (54, 4776512), (64, 4030182), (72, 3582384), (78, 3306816), (96, 2686788), (104, 2480112), (108, 2388256), (117, 2204544), (128, 2015091), (144, 1791192), (156, 1653408), (192, 1343394), (208, 1240056), (216, 1194128), (234, 1102272), (288, 895596), (312, 826704), (351, 734848), (384, 671697), (416, 620028), (432, 597064), (468, 551136), (576, 447798), (624, 413352), (702, 367424), (832, 310014), (864, 298532), (936, 275568), (1152, 223899), (1248, 206676), (1404, 183712), (1664, 155007), (1728, 149266), (1872, 137784), (2496, 103338), (2808, 91856), (3456, 74633), (3744, 68892), (4992, 51669), (5616, 45928), (5741, 44928), (7488, 34446), (11232, 22964), (11482, 22464), (14976, 17223)]