30981470

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{3557}}^1$

素因数の和:3644

約数の個数: 32

約数和(自身を含む): 60969888

約数和(自身を除く): 29988418

約数列:

[1, 2, 5, 10, 13, 26, 65, 67, 130, 134, 335, 670, 871, 1742, 3557, 4355, 7114, 8710, 17785, 35570, 46241, 92482, 231205, 238319, 462410, 476638, 1191595, 2383190, 3098147, 6196294, 15490735, 30981470]

約数ペア:

[(1, 30981470), (2, 15490735), (5, 6196294), (10, 3098147), (13, 2383190), (26, 1191595), (65, 476638), (67, 462410), (130, 238319), (134, 231205), (335, 92482), (670, 46241), (871, 35570), (1742, 17785), (3557, 8710), (4355, 7114)]