213881408

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{257069}}^1$

素因数の和:257094

約数の個数: 28

約数和(自身を含む): 457070460

約数和(自身を除く): 243189052

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 208, 416, 832, 257069, 514138, 1028276, 2056552, 3341897, 4113104, 6683794, 8226208, 13367588, 16452416, 26735176, 53470352, 106940704, 213881408]

約数ペア:

[(1, 213881408), (2, 106940704), (4, 53470352), (8, 26735176), (13, 16452416), (16, 13367588), (26, 8226208), (32, 6683794), (52, 4113104), (64, 3341897), (104, 2056552), (208, 1028276), (416, 514138), (832, 257069)]