128952016

素因数分解:

$2^4\times {\mathrm{79}}^1\times {\mathrm{102019}}^1$

素因数の和:102106

約数の個数: 20

約数和(自身を含む): 253009600

約数和(自身を除く): 124057584

約数列:

[1, 2, 4, 8, 16, 79, 158, 316, 632, 1264, 102019, 204038, 408076, 816152, 1632304, 8059501, 16119002, 32238004, 64476008, 128952016]

約数ペア:

[(1, 128952016), (2, 64476008), (4, 32238004), (8, 16119002), (16, 8059501), (79, 1632304), (158, 816152), (316, 408076), (632, 204038), (1264, 102019)]