28038924

素因数分解:

$2^2\times 3^2\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{307}}^1$

素因数の和:419

約数の個数: 72

約数和(自身を含む): 73993920

約数和(自身を除く): 45954996

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 43, 59, 86, 118, 129, 172, 177, 236, 258, 307, 354, 387, 516, 531, 614, 708, 774, 921, 1062, 1228, 1548, 1842, 2124, 2537, 2763, 3684, 5074, 5526, 7611, 10148, 11052, 13201, 15222, 18113, 22833, 26402, 30444, 36226, 39603, 45666, 52804, 54339, 72452, 79206, 91332, 108678, 118809, 158412, 163017, 217356, 237618, 326034, 475236, 652068, 778859, 1557718, 2336577, 3115436, 4673154, 7009731, 9346308, 14019462, 28038924]

約数ペア:

[(1, 28038924), (2, 14019462), (3, 9346308), (4, 7009731), (6, 4673154), (9, 3115436), (12, 2336577), (18, 1557718), (36, 778859), (43, 652068), (59, 475236), (86, 326034), (118, 237618), (129, 217356), (172, 163017), (177, 158412), (236, 118809), (258, 108678), (307, 91332), (354, 79206), (387, 72452), (516, 54339), (531, 52804), (614, 45666), (708, 39603), (774, 36226), (921, 30444), (1062, 26402), (1228, 22833), (1548, 18113), (1842, 15222), (2124, 13201), (2537, 11052), (2763, 10148), (3684, 7611), (5074, 5526)]