31479930

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{257}}^1\times {\mathrm{1361}}^1$

素因数の和:1631

約数の個数: 48

約数和(自身を含む): 82226664

約数和(自身を除く): 50746734

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 257, 514, 771, 1285, 1361, 1542, 2313, 2570, 2722, 3855, 4083, 4626, 6805, 7710, 8166, 11565, 12249, 13610, 20415, 23130, 24498, 40830, 61245, 122490, 349777, 699554, 1049331, 1748885, 2098662, 3147993, 3497770, 5246655, 6295986, 10493310, 15739965, 31479930]

約数ペア:

[(1, 31479930), (2, 15739965), (3, 10493310), (5, 6295986), (6, 5246655), (9, 3497770), (10, 3147993), (15, 2098662), (18, 1748885), (30, 1049331), (45, 699554), (90, 349777), (257, 122490), (514, 61245), (771, 40830), (1285, 24498), (1361, 23130), (1542, 20415), (2313, 13610), (2570, 12249), (2722, 11565), (3855, 8166), (4083, 7710), (4626, 6805)]