129431386

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{4889}}^1$

素因数の和:4990

約数の個数: 32

約数和(自身を含む): 232842240

約数和(自身を除く): 103410854

約数列:

[1, 2, 7, 14, 31, 61, 62, 122, 217, 427, 434, 854, 1891, 3782, 4889, 9778, 13237, 26474, 34223, 68446, 151559, 298229, 303118, 596458, 1060913, 2087603, 2121826, 4175206, 9245099, 18490198, 64715693, 129431386]

約数ペア:

[(1, 129431386), (2, 64715693), (7, 18490198), (14, 9245099), (31, 4175206), (61, 2121826), (62, 2087603), (122, 1060913), (217, 596458), (427, 303118), (434, 298229), (854, 151559), (1891, 68446), (3782, 34223), (4889, 26474), (9778, 13237)]