7988370

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{20483}}^1$

素因数の和:20506

約数の個数: 32

約数和(自身を含む): 20647872

約数和(自身を除く): 12659502

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 20483, 40966, 61449, 102415, 122898, 204830, 266279, 307245, 532558, 614490, 798837, 1331395, 1597674, 2662790, 3994185, 7988370]

約数ペア:

[(1, 7988370), (2, 3994185), (3, 2662790), (5, 1597674), (6, 1331395), (10, 798837), (13, 614490), (15, 532558), (26, 307245), (30, 266279), (39, 204830), (65, 122898), (78, 102415), (130, 61449), (195, 40966), (390, 20483)]