1279264855

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{381301}}^1$

素因数の和:381378

約数の個数: 16

約数和(自身を含む): 1702132128

約数和(自身を除く): 422867273

約数列:

[1, 5, 11, 55, 61, 305, 671, 3355, 381301, 1906505, 4194311, 20971555, 23259361, 116296805, 255852971, 1279264855]

約数ペア:

[(1, 1279264855), (5, 255852971), (11, 116296805), (55, 23259361), (61, 20971555), (305, 4194311), (671, 1906505), (3355, 381301)]