218486528

素因数分解:

$2^8\times {\mathrm{13}}^1\times {\mathrm{65651}}^1$

素因数の和:65680

約数の個数: 36

約数和(自身を含む): 469674408

約数和(自身を除く): 251187880

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 256, 416, 832, 1664, 3328, 65651, 131302, 262604, 525208, 853463, 1050416, 1706926, 2100832, 3413852, 4201664, 6827704, 8403328, 13655408, 16806656, 27310816, 54621632, 109243264, 218486528]

約数ペア:

[(1, 218486528), (2, 109243264), (4, 54621632), (8, 27310816), (13, 16806656), (16, 13655408), (26, 8403328), (32, 6827704), (52, 4201664), (64, 3413852), (104, 2100832), (128, 1706926), (208, 1050416), (256, 853463), (416, 525208), (832, 262604), (1664, 131302), (3328, 65651)]