9942985

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{97}}^1$

素因数の和:217

約数の個数: 32

約数和(自身を含む): 13829760

約数和(自身を除く): 3886775

約数列:

[1, 5, 13, 19, 65, 83, 95, 97, 247, 415, 485, 1079, 1235, 1261, 1577, 1843, 5395, 6305, 7885, 8051, 9215, 20501, 23959, 40255, 102505, 104663, 119795, 152969, 523315, 764845, 1988597, 9942985]

約数ペア:

[(1, 9942985), (5, 1988597), (13, 764845), (19, 523315), (65, 152969), (83, 119795), (95, 104663), (97, 102505), (247, 40255), (415, 23959), (485, 20501), (1079, 9215), (1235, 8051), (1261, 7885), (1577, 6305), (1843, 5395)]