28408392

素因数分解:

$2^3\times 3^2\times {\mathrm{571}}^1\times {\mathrm{691}}^1$

素因数の和:1274

約数の個数: 48

約数和(自身を含む): 77185680

約数和(自身を除く): 48777288

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 571, 691, 1142, 1382, 1713, 2073, 2284, 2764, 3426, 4146, 4568, 5139, 5528, 6219, 6852, 8292, 10278, 12438, 13704, 16584, 20556, 24876, 41112, 49752, 394561, 789122, 1183683, 1578244, 2367366, 3156488, 3551049, 4734732, 7102098, 9469464, 14204196, 28408392]

約数ペア:

[(1, 28408392), (2, 14204196), (3, 9469464), (4, 7102098), (6, 4734732), (8, 3551049), (9, 3156488), (12, 2367366), (18, 1578244), (24, 1183683), (36, 789122), (72, 394561), (571, 49752), (691, 41112), (1142, 24876), (1382, 20556), (1713, 16584), (2073, 13704), (2284, 12438), (2764, 10278), (3426, 8292), (4146, 6852), (4568, 6219), (5139, 5528)]