28302084

素因数分解:

$2^2\times 3^2\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{389}}^1$

素因数の和:489

約数の個数: 72

約数和(自身を含む): 74954880

約数和(自身を除く): 46652796

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 43, 47, 86, 94, 129, 141, 172, 188, 258, 282, 387, 389, 423, 516, 564, 774, 778, 846, 1167, 1548, 1556, 1692, 2021, 2334, 3501, 4042, 4668, 6063, 7002, 8084, 12126, 14004, 16727, 18189, 18283, 24252, 33454, 36378, 36566, 50181, 54849, 66908, 72756, 73132, 100362, 109698, 150543, 164547, 200724, 219396, 301086, 329094, 602172, 658188, 786169, 1572338, 2358507, 3144676, 4717014, 7075521, 9434028, 14151042, 28302084]

約数ペア:

[(1, 28302084), (2, 14151042), (3, 9434028), (4, 7075521), (6, 4717014), (9, 3144676), (12, 2358507), (18, 1572338), (36, 786169), (43, 658188), (47, 602172), (86, 329094), (94, 301086), (129, 219396), (141, 200724), (172, 164547), (188, 150543), (258, 109698), (282, 100362), (387, 73132), (389, 72756), (423, 66908), (516, 54849), (564, 50181), (774, 36566), (778, 36378), (846, 33454), (1167, 24252), (1548, 18283), (1556, 18189), (1692, 16727), (2021, 14004), (2334, 12126), (3501, 8084), (4042, 7002), (4668, 6063)]