66619775

素因数分解:

$5^2\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{1283}}^1$

素因数の和:1391

約数の個数: 24

約数和(自身を含む): 86613504

約数和(自身を除く): 19993729

約数列:

[1, 5, 25, 31, 67, 155, 335, 775, 1283, 1675, 2077, 6415, 10385, 32075, 39773, 51925, 85961, 198865, 429805, 994325, 2149025, 2664791, 13323955, 66619775]

約数ペア:

[(1, 66619775), (5, 13323955), (25, 2664791), (31, 2149025), (67, 994325), (155, 429805), (335, 198865), (775, 85961), (1283, 51925), (1675, 39773), (2077, 32075), (6415, 10385)]