815408

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{113}}^1$

素因数の和:173

約数の個数: 40

約数和(自身を含む): 1781136

約数和(自身を除く): 965728

約数列:

[1, 2, 4, 8, 11, 16, 22, 41, 44, 82, 88, 113, 164, 176, 226, 328, 451, 452, 656, 902, 904, 1243, 1804, 1808, 2486, 3608, 4633, 4972, 7216, 9266, 9944, 18532, 19888, 37064, 50963, 74128, 101926, 203852, 407704, 815408]

約数ペア:

[(1, 815408), (2, 407704), (4, 203852), (8, 101926), (11, 74128), (16, 50963), (22, 37064), (41, 19888), (44, 18532), (82, 9944), (88, 9266), (113, 7216), (164, 4972), (176, 4633), (226, 3608), (328, 2486), (451, 1808), (452, 1804), (656, 1243), (902, 904)]