31217790

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{257}}^1\times {\mathrm{4049}}^1$

素因数の和:4316

約数の個数: 32

約数和(自身を含む): 75232800

約数和(自身を除く): 44015010

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 257, 514, 771, 1285, 1542, 2570, 3855, 4049, 7710, 8098, 12147, 20245, 24294, 40490, 60735, 121470, 1040593, 2081186, 3121779, 5202965, 6243558, 10405930, 15608895, 31217790]

約数ペア:

[(1, 31217790), (2, 15608895), (3, 10405930), (5, 6243558), (6, 5202965), (10, 3121779), (15, 2081186), (30, 1040593), (257, 121470), (514, 60735), (771, 40490), (1285, 24294), (1542, 20245), (2570, 12147), (3855, 8098), (4049, 7710)]