81380224

素因数分解:

$2^7\times {\mathrm{17}}^1\times {\mathrm{149}}^1\times {\mathrm{251}}^1$

素因数の和:431

約数の個数: 64

約数和(自身を含む): 173502000

約数和(自身を除く): 92121776

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 128, 136, 149, 251, 272, 298, 502, 544, 596, 1004, 1088, 1192, 2008, 2176, 2384, 2533, 4016, 4267, 4768, 5066, 8032, 8534, 9536, 10132, 16064, 17068, 19072, 20264, 32128, 34136, 37399, 40528, 68272, 74798, 81056, 136544, 149596, 162112, 273088, 299192, 324224, 546176, 598384, 635783, 1196768, 1271566, 2393536, 2543132, 4787072, 5086264, 10172528, 20345056, 40690112, 81380224]

約数ペア:

[(1, 81380224), (2, 40690112), (4, 20345056), (8, 10172528), (16, 5086264), (17, 4787072), (32, 2543132), (34, 2393536), (64, 1271566), (68, 1196768), (128, 635783), (136, 598384), (149, 546176), (251, 324224), (272, 299192), (298, 273088), (502, 162112), (544, 149596), (596, 136544), (1004, 81056), (1088, 74798), (1192, 68272), (2008, 40528), (2176, 37399), (2384, 34136), (2533, 32128), (4016, 20264), (4267, 19072), (4768, 17068), (5066, 16064), (8032, 10132), (8534, 9536)]