78858325

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2039}}^1$

素因数の和:2086

約数の個数: 48

約数和(自身を含む): 127491840

約数和(自身を除く): 48633515

約数列:

[1, 5, 7, 13, 17, 25, 35, 65, 85, 91, 119, 175, 221, 325, 425, 455, 595, 1105, 1547, 2039, 2275, 2975, 5525, 7735, 10195, 14273, 26507, 34663, 38675, 50975, 71365, 132535, 173315, 185549, 242641, 356825, 450619, 662675, 866575, 927745, 1213205, 2253095, 3154333, 4638725, 6066025, 11265475, 15771665, 78858325]

約数ペア:

[(1, 78858325), (5, 15771665), (7, 11265475), (13, 6066025), (17, 4638725), (25, 3154333), (35, 2253095), (65, 1213205), (85, 927745), (91, 866575), (119, 662675), (175, 450619), (221, 356825), (325, 242641), (425, 185549), (455, 173315), (595, 132535), (1105, 71365), (1547, 50975), (2039, 38675), (2275, 34663), (2975, 26507), (5525, 14273), (7735, 10195)]