28627578

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{127}}^1\times {\mathrm{1789}}^1$

素因数の和:1931

約数の個数: 48

約数和(自身を含む): 71485440

約数和(自身を除く): 42857862

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 127, 254, 381, 762, 889, 1143, 1778, 1789, 2286, 2667, 3578, 5334, 5367, 8001, 10734, 12523, 16002, 16101, 25046, 32202, 37569, 75138, 112707, 225414, 227203, 454406, 681609, 1363218, 1590421, 2044827, 3180842, 4089654, 4771263, 9542526, 14313789, 28627578]

約数ペア:

[(1, 28627578), (2, 14313789), (3, 9542526), (6, 4771263), (7, 4089654), (9, 3180842), (14, 2044827), (18, 1590421), (21, 1363218), (42, 681609), (63, 454406), (126, 227203), (127, 225414), (254, 112707), (381, 75138), (762, 37569), (889, 32202), (1143, 25046), (1778, 16101), (1789, 16002), (2286, 12523), (2667, 10734), (3578, 8001), (5334, 5367)]