28274246

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{487}}^1$

素因数の和:549

約数の個数: 64

約数和(自身を含む): 59028480

約数和(自身を除く): 30754234

約数列:

[1, 2, 7, 11, 13, 14, 22, 26, 29, 58, 77, 91, 143, 154, 182, 203, 286, 319, 377, 406, 487, 638, 754, 974, 1001, 2002, 2233, 2639, 3409, 4147, 4466, 5278, 5357, 6331, 6818, 8294, 10714, 12662, 14123, 28246, 29029, 37499, 44317, 58058, 69641, 74998, 88634, 98861, 139282, 155353, 183599, 197722, 310706, 367198, 487487, 974974, 1087471, 1285193, 2019589, 2174942, 2570386, 4039178, 14137123, 28274246]

約数ペア:

[(1, 28274246), (2, 14137123), (7, 4039178), (11, 2570386), (13, 2174942), (14, 2019589), (22, 1285193), (26, 1087471), (29, 974974), (58, 487487), (77, 367198), (91, 310706), (143, 197722), (154, 183599), (182, 155353), (203, 139282), (286, 98861), (319, 88634), (377, 74998), (406, 69641), (487, 58058), (638, 44317), (754, 37499), (974, 29029), (1001, 28246), (2002, 14123), (2233, 12662), (2639, 10714), (3409, 8294), (4147, 6818), (4466, 6331), (5278, 5357)]