261752158

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{151}}^1\times {\mathrm{383}}^1$

素因数の和:640

約数の個数: 32

約数和(自身を含む): 414646272

約数和(自身を除く): 152894114

約数列:

[1, 2, 31, 62, 73, 146, 151, 302, 383, 766, 2263, 4526, 4681, 9362, 11023, 11873, 22046, 23746, 27959, 55918, 57833, 115666, 341713, 683426, 866729, 1733458, 1792823, 3585646, 4221809, 8443618, 130876079, 261752158]

約数ペア:

[(1, 261752158), (2, 130876079), (31, 8443618), (62, 4221809), (73, 3585646), (146, 1792823), (151, 1733458), (302, 866729), (383, 683426), (766, 341713), (2263, 115666), (4526, 57833), (4681, 55918), (9362, 27959), (11023, 23746), (11873, 22046)]