215205121976

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{787697}}^1$

素因数の和:787824

約数の個数: 64

約数和(自身を含む): 452579762880

約数和(自身を除く): 237374640904

約数列:

[1, 2, 4, 8, 13, 26, 37, 52, 71, 74, 104, 142, 148, 284, 296, 481, 568, 923, 962, 1846, 1924, 2627, 3692, 3848, 5254, 7384, 10508, 21016, 34151, 68302, 136604, 273208, 787697, 1575394, 3150788, 6301576, 10240061, 20480122, 29144789, 40960244, 55926487, 58289578, 81920488, 111852974, 116579156, 223705948, 233158312, 378882257, 447411896, 727044331, 757764514, 1454088662, 1515529028, 2069280019, 2908177324, 3031058056, 4138560038, 5816354648, 8277120076, 16554240152, 26900640247, 53801280494, 107602560988, 215205121976]

約数ペア:

[(1, 215205121976), (2, 107602560988), (4, 53801280494), (8, 26900640247), (13, 16554240152), (26, 8277120076), (37, 5816354648), (52, 4138560038), (71, 3031058056), (74, 2908177324), (104, 2069280019), (142, 1515529028), (148, 1454088662), (284, 757764514), (296, 727044331), (481, 447411896), (568, 378882257), (923, 233158312), (962, 223705948), (1846, 116579156), (1924, 111852974), (2627, 81920488), (3692, 58289578), (3848, 55926487), (5254, 40960244), (7384, 29144789), (10508, 20480122), (21016, 10240061), (34151, 6301576), (68302, 3150788), (136604, 1575394), (273208, 787697)]