258049337

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{229}}^1$

素因数の和:346

約数の個数: 48

約数和(自身を含む): 341384400

約数和(自身を除く): 83335063

約数列:

[1, 7, 13, 29, 49, 61, 91, 203, 229, 377, 427, 637, 793, 1421, 1603, 1769, 2639, 2977, 2989, 5551, 6641, 11221, 12383, 13969, 18473, 20839, 22997, 38857, 46487, 86333, 86681, 97783, 145873, 160979, 181597, 325409, 405101, 604331, 684481, 1126853, 1271179, 2835707, 4230317, 5266313, 8898253, 19849949, 36864191, 258049337]

約数ペア:

[(1, 258049337), (7, 36864191), (13, 19849949), (29, 8898253), (49, 5266313), (61, 4230317), (91, 2835707), (203, 1271179), (229, 1126853), (377, 684481), (427, 604331), (637, 405101), (793, 325409), (1421, 181597), (1603, 160979), (1769, 145873), (2639, 97783), (2977, 86681), (2989, 86333), (5551, 46487), (6641, 38857), (11221, 22997), (12383, 20839), (13969, 18473)]