42857490

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{109891}}^1$

素因数の和:109914

約数の個数: 32

約数和(自身を含む): 110771136

約数和(自身を除く): 67913646

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 109891, 219782, 329673, 549455, 659346, 1098910, 1428583, 1648365, 2857166, 3296730, 4285749, 7142915, 8571498, 14285830, 21428745, 42857490]

約数ペア:

[(1, 42857490), (2, 21428745), (3, 14285830), (5, 8571498), (6, 7142915), (10, 4285749), (13, 3296730), (15, 2857166), (26, 1648365), (30, 1428583), (39, 1098910), (65, 659346), (78, 549455), (130, 329673), (195, 219782), (390, 109891)]