258739888

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{1009}}^1$

素因数の和:1106

約数の個数: 80

約数和(自身を含む): 577105920

約数和(自身を除く): 318366032

約数列:

[1, 2, 4, 8, 11, 16, 22, 31, 44, 47, 62, 88, 94, 124, 176, 188, 248, 341, 376, 496, 517, 682, 752, 1009, 1034, 1364, 1457, 2018, 2068, 2728, 2914, 4036, 4136, 5456, 5828, 8072, 8272, 11099, 11656, 16027, 16144, 22198, 23312, 31279, 32054, 44396, 47423, 62558, 64108, 88792, 94846, 125116, 128216, 177584, 189692, 250232, 256432, 344069, 379384, 500464, 521653, 688138, 758768, 1043306, 1376276, 1470113, 2086612, 2752552, 2940226, 4173224, 5505104, 5880452, 8346448, 11760904, 16171243, 23521808, 32342486, 64684972, 129369944, 258739888]

約数ペア:

[(1, 258739888), (2, 129369944), (4, 64684972), (8, 32342486), (11, 23521808), (16, 16171243), (22, 11760904), (31, 8346448), (44, 5880452), (47, 5505104), (62, 4173224), (88, 2940226), (94, 2752552), (124, 2086612), (176, 1470113), (188, 1376276), (248, 1043306), (341, 758768), (376, 688138), (496, 521653), (517, 500464), (682, 379384), (752, 344069), (1009, 256432), (1034, 250232), (1364, 189692), (1457, 177584), (2018, 128216), (2068, 125116), (2728, 94846), (2914, 88792), (4036, 64108), (4136, 62558), (5456, 47423), (5828, 44396), (8072, 32054), (8272, 31279), (11099, 23312), (11656, 22198), (16027, 16144)]