417664

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{251}}^1$

素因数の和:278

約数の個数: 32

約数和(自身を含む): 899640

約数和(自身を除く): 481976

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 251, 416, 502, 832, 1004, 1664, 2008, 3263, 4016, 6526, 8032, 13052, 16064, 26104, 32128, 52208, 104416, 208832, 417664]

約数ペア:

[(1, 417664), (2, 208832), (4, 104416), (8, 52208), (13, 32128), (16, 26104), (26, 16064), (32, 13052), (52, 8032), (64, 6526), (104, 4016), (128, 3263), (208, 2008), (251, 1664), (416, 1004), (502, 832)]