31506085

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{263}}^1$

素因数の和:397

約数の個数: 32

約数和(自身を含む): 43464960

約数和(自身を除く): 11958875

約数列:

[1, 5, 13, 19, 65, 95, 97, 247, 263, 485, 1235, 1261, 1315, 1843, 3419, 4997, 6305, 9215, 17095, 23959, 24985, 25511, 64961, 119795, 127555, 324805, 331643, 484709, 1658215, 2423545, 6301217, 31506085]

約数ペア:

[(1, 31506085), (5, 6301217), (13, 2423545), (19, 1658215), (65, 484709), (95, 331643), (97, 324805), (247, 127555), (263, 119795), (485, 64961), (1235, 25511), (1261, 24985), (1315, 23959), (1843, 17095), (3419, 9215), (4997, 6305)]