31568290

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{1747}}^1$

素因数の和:1906

約数の個数: 32

約数和(自身を含む): 61669440

約数和(自身を除く): 30101150

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 139, 278, 695, 1390, 1747, 1807, 3494, 3614, 8735, 9035, 17470, 18070, 22711, 45422, 113555, 227110, 242833, 485666, 1214165, 2428330, 3156829, 6313658, 15784145, 31568290]

約数ペア:

[(1, 31568290), (2, 15784145), (5, 6313658), (10, 3156829), (13, 2428330), (26, 1214165), (65, 485666), (130, 242833), (139, 227110), (278, 113555), (695, 45422), (1390, 22711), (1747, 18070), (1807, 17470), (3494, 9035), (3614, 8735)]