1640253885

素因数分解:

$3^1\times 5^1\times {\mathrm{83}}^1\times {\mathrm{103}}^1\times {\mathrm{12791}}^1$

素因数の和:12985

約数の個数: 32

約数和(自身を含む): 2682021888

約数和(自身を除く): 1041768003

約数列:

[1, 3, 5, 15, 83, 103, 249, 309, 415, 515, 1245, 1545, 8549, 12791, 25647, 38373, 42745, 63955, 128235, 191865, 1061653, 1317473, 3184959, 3952419, 5308265, 6587365, 15924795, 19762095, 109350259, 328050777, 546751295, 1640253885]

約数ペア:

[(1, 1640253885), (3, 546751295), (5, 328050777), (15, 109350259), (83, 19762095), (103, 15924795), (249, 6587365), (309, 5308265), (415, 3952419), (515, 3184959), (1245, 1317473), (1545, 1061653), (8549, 191865), (12791, 128235), (25647, 63955), (38373, 42745)]