388308358

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{241}}^1\times {\mathrm{389}}^1$

素因数の和:760

約数の個数: 32

約数和(自身を含む): 622908000

約数和(自身を除く): 234599642

約数列:

[1, 2, 19, 38, 109, 218, 241, 389, 482, 778, 2071, 4142, 4579, 7391, 9158, 14782, 26269, 42401, 52538, 84802, 93749, 187498, 499111, 805619, 998222, 1611238, 1781231, 3562462, 10218641, 20437282, 194154179, 388308358]

約数ペア:

[(1, 388308358), (2, 194154179), (19, 20437282), (38, 10218641), (109, 3562462), (218, 1781231), (241, 1611238), (389, 998222), (482, 805619), (778, 499111), (2071, 187498), (4142, 93749), (4579, 84802), (7391, 52538), (9158, 42401), (14782, 26269)]