81817216

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{49169}}^1$

素因数の和:49196

約数の個数: 32

約数和(自身を含む): 175536900

約数和(自身を除く): 93719684

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 416, 832, 1664, 49169, 98338, 196676, 393352, 639197, 786704, 1278394, 1573408, 2556788, 3146816, 5113576, 6293632, 10227152, 20454304, 40908608, 81817216]

約数ペア:

[(1, 81817216), (2, 40908608), (4, 20454304), (8, 10227152), (13, 6293632), (16, 5113576), (26, 3146816), (32, 2556788), (52, 1573408), (64, 1278394), (104, 786704), (128, 639197), (208, 393352), (416, 196676), (832, 98338), (1664, 49169)]