128601828

素因数分解:

$2^2\times 3^2\times {\mathrm{59}}^1\times {\mathrm{191}}^1\times {\mathrm{317}}^1$

素因数の和:577

約数の個数: 72

約数和(自身を含む): 333365760

約数和(自身を除く): 204763932

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 59, 118, 177, 191, 236, 317, 354, 382, 531, 573, 634, 708, 764, 951, 1062, 1146, 1268, 1719, 1902, 2124, 2292, 2853, 3438, 3804, 5706, 6876, 11269, 11412, 18703, 22538, 33807, 37406, 45076, 56109, 60547, 67614, 74812, 101421, 112218, 121094, 135228, 168327, 181641, 202842, 224436, 242188, 336654, 363282, 405684, 544923, 673308, 726564, 1089846, 2179692, 3572273, 7144546, 10716819, 14289092, 21433638, 32150457, 42867276, 64300914, 128601828]

約数ペア:

[(1, 128601828), (2, 64300914), (3, 42867276), (4, 32150457), (6, 21433638), (9, 14289092), (12, 10716819), (18, 7144546), (36, 3572273), (59, 2179692), (118, 1089846), (177, 726564), (191, 673308), (236, 544923), (317, 405684), (354, 363282), (382, 336654), (531, 242188), (573, 224436), (634, 202842), (708, 181641), (764, 168327), (951, 135228), (1062, 121094), (1146, 112218), (1268, 101421), (1719, 74812), (1902, 67614), (2124, 60547), (2292, 56109), (2853, 45076), (3438, 37406), (3804, 33807), (5706, 22538), (6876, 18703), (11269, 11412)]