31286190

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{80221}}^1$

素因数の和:80244

約数の個数: 32

約数和(自身を含む): 80863776

約数和(自身を除く): 49577586

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 80221, 160442, 240663, 401105, 481326, 802210, 1042873, 1203315, 2085746, 2406630, 3128619, 5214365, 6257238, 10428730, 15643095, 31286190]

約数ペア:

[(1, 31286190), (2, 15643095), (3, 10428730), (5, 6257238), (6, 5214365), (10, 3128619), (13, 2406630), (15, 2085746), (26, 1203315), (30, 1042873), (39, 802210), (65, 481326), (78, 401105), (130, 240663), (195, 160442), (390, 80221)]