8159190

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{20921}}^1$

素因数の和:20944

約数の個数: 32

約数和(自身を含む): 21089376

約数和(自身を除く): 12930186

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 20921, 41842, 62763, 104605, 125526, 209210, 271973, 313815, 543946, 627630, 815919, 1359865, 1631838, 2719730, 4079595, 8159190]

約数ペア:

[(1, 8159190), (2, 4079595), (3, 2719730), (5, 1631838), (6, 1359865), (10, 815919), (13, 627630), (15, 543946), (26, 313815), (30, 271973), (39, 209210), (65, 125526), (78, 104605), (130, 62763), (195, 41842), (390, 20921)]