278317234

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{21713}}^1$

素因数の和:21774

約数の個数: 32

約数和(自身を含む): 492473520

約数和(自身を除く): 214156286

約数列:

[1, 2, 13, 17, 26, 29, 34, 58, 221, 377, 442, 493, 754, 986, 6409, 12818, 21713, 43426, 282269, 369121, 564538, 629677, 738242, 1259354, 4798573, 8185801, 9597146, 10704509, 16371602, 21409018, 139158617, 278317234]

約数ペア:

[(1, 278317234), (2, 139158617), (13, 21409018), (17, 16371602), (26, 10704509), (29, 9597146), (34, 8185801), (58, 4798573), (221, 1259354), (377, 738242), (442, 629677), (493, 564538), (754, 369121), (986, 282269), (6409, 43426), (12818, 21713)]