245875238

素因数分解:

$2^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{132049}}^1$

素因数の和:132084

約数の個数: 24

約数和(自身を含む): 451611000

約数和(自身を除く): 205735762

約数列:

[1, 2, 7, 14, 19, 38, 49, 98, 133, 266, 931, 1862, 132049, 264098, 924343, 1848686, 2508931, 5017862, 6470401, 12940802, 17562517, 35125034, 122937619, 245875238]

約数ペア:

[(1, 245875238), (2, 122937619), (7, 35125034), (14, 17562517), (19, 12940802), (38, 6470401), (49, 5017862), (98, 2508931), (133, 1848686), (266, 924343), (931, 264098), (1862, 132049)]