128575312

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{103}}^1\times {\mathrm{1279}}^1$

素因数の和:1451

約数の個数: 40

約数和(自身を含む): 255856640

約数和(自身を除く): 127281328

約数列:

[1, 2, 4, 8, 16, 61, 103, 122, 206, 244, 412, 488, 824, 976, 1279, 1648, 2558, 5116, 6283, 10232, 12566, 20464, 25132, 50264, 78019, 100528, 131737, 156038, 263474, 312076, 526948, 624152, 1053896, 1248304, 2107792, 8035957, 16071914, 32143828, 64287656, 128575312]

約数ペア:

[(1, 128575312), (2, 64287656), (4, 32143828), (8, 16071914), (16, 8035957), (61, 2107792), (103, 1248304), (122, 1053896), (206, 624152), (244, 526948), (412, 312076), (488, 263474), (824, 156038), (976, 131737), (1279, 100528), (1648, 78019), (2558, 50264), (5116, 25132), (6283, 20464), (10232, 12566)]