81601996

素因数分解:

$2^2\times 7^1\times {\mathrm{131}}^1\times {\mathrm{22247}}^1$

素因数の和:22389

約数の個数: 24

約数和(自身を含む): 164457216

約数和(自身を除く): 82855220

約数列:

[1, 2, 4, 7, 14, 28, 131, 262, 524, 917, 1834, 3668, 22247, 44494, 88988, 155729, 311458, 622916, 2914357, 5828714, 11657428, 20400499, 40800998, 81601996]

約数ペア:

[(1, 81601996), (2, 40800998), (4, 20400499), (7, 11657428), (14, 5828714), (28, 2914357), (131, 622916), (262, 311458), (524, 155729), (917, 88988), (1834, 44494), (3668, 22247)]