31316831

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{211}}^1\times {\mathrm{233}}^1$

素因数の和:471

約数の個数: 24

約数和(自身を含む): 39587184

約数和(自身を除く): 8270353

約数列:

[1, 7, 13, 49, 91, 211, 233, 637, 1477, 1631, 2743, 3029, 10339, 11417, 19201, 21203, 49163, 134407, 148421, 344141, 639119, 2408987, 4473833, 31316831]

約数ペア:

[(1, 31316831), (7, 4473833), (13, 2408987), (49, 639119), (91, 344141), (211, 148421), (233, 134407), (637, 49163), (1477, 21203), (1631, 19201), (2743, 11417), (3029, 10339)]