287789788

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{863}}^1$

素因数の和:955

約数の個数: 72

約数和(自身を含む): 608114304

約数和(自身を除く): 320324516

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 53, 106, 121, 143, 212, 242, 286, 484, 572, 583, 689, 863, 1166, 1378, 1573, 1726, 2332, 2756, 3146, 3452, 6292, 6413, 7579, 9493, 11219, 12826, 15158, 18986, 22438, 25652, 30316, 37972, 44876, 45739, 83369, 91478, 104423, 123409, 166738, 182956, 208846, 246818, 333476, 417692, 493636, 503129, 594607, 1006258, 1189214, 1357499, 2012516, 2378428, 2714998, 5429996, 5534419, 6540677, 11068838, 13081354, 22137676, 26162708, 71947447, 143894894, 287789788]

約数ペア:

[(1, 287789788), (2, 143894894), (4, 71947447), (11, 26162708), (13, 22137676), (22, 13081354), (26, 11068838), (44, 6540677), (52, 5534419), (53, 5429996), (106, 2714998), (121, 2378428), (143, 2012516), (212, 1357499), (242, 1189214), (286, 1006258), (484, 594607), (572, 503129), (583, 493636), (689, 417692), (863, 333476), (1166, 246818), (1378, 208846), (1573, 182956), (1726, 166738), (2332, 123409), (2756, 104423), (3146, 91478), (3452, 83369), (6292, 45739), (6413, 44876), (7579, 37972), (9493, 30316), (11219, 25652), (12826, 22438), (15158, 18986)]