813745908

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{38377}}^1$

素因数の和:38437

約数の個数: 72

約数和(自身を含む): 2235134720

約数和(自身を除く): 1421388812

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 31, 36, 38, 57, 62, 76, 93, 114, 124, 171, 186, 228, 279, 342, 372, 558, 589, 684, 1116, 1178, 1767, 2356, 3534, 5301, 7068, 10602, 21204, 38377, 76754, 115131, 153508, 230262, 345393, 460524, 690786, 729163, 1189687, 1381572, 1458326, 2187489, 2379374, 2916652, 3569061, 4374978, 4758748, 6562467, 7138122, 8749956, 10707183, 13124934, 14276244, 21414366, 22604053, 26249868, 42828732, 45208106, 67812159, 90416212, 135624318, 203436477, 271248636, 406872954, 813745908]

約数ペア:

[(1, 813745908), (2, 406872954), (3, 271248636), (4, 203436477), (6, 135624318), (9, 90416212), (12, 67812159), (18, 45208106), (19, 42828732), (31, 26249868), (36, 22604053), (38, 21414366), (57, 14276244), (62, 13124934), (76, 10707183), (93, 8749956), (114, 7138122), (124, 6562467), (171, 4758748), (186, 4374978), (228, 3569061), (279, 2916652), (342, 2379374), (372, 2187489), (558, 1458326), (589, 1381572), (684, 1189687), (1116, 729163), (1178, 690786), (1767, 460524), (2356, 345393), (3534, 230262), (5301, 153508), (7068, 115131), (10602, 76754), (21204, 38377)]