31117345

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{641}}^1$

素因数の和:745

約数の個数: 32

約数和(自身を含む): 45607680

約数和(自身を除く): 14490335

約数列:

[1, 5, 7, 19, 35, 73, 95, 133, 365, 511, 641, 665, 1387, 2555, 3205, 4487, 6935, 9709, 12179, 22435, 46793, 48545, 60895, 85253, 233965, 327551, 426265, 889067, 1637755, 4445335, 6223469, 31117345]

約数ペア:

[(1, 31117345), (5, 6223469), (7, 4445335), (19, 1637755), (35, 889067), (73, 426265), (95, 327551), (133, 233965), (365, 85253), (511, 60895), (641, 48545), (665, 46793), (1387, 22435), (2555, 12179), (3205, 9709), (4487, 6935)]