127979995

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{10529}}^1$

素因数の和:10575

約数の個数: 32

約数和(自身を含む): 191056320

約数和(自身を除く): 63076325

約数列:

[1, 5, 11, 13, 17, 55, 65, 85, 143, 187, 221, 715, 935, 1105, 2431, 10529, 12155, 52645, 115819, 136877, 178993, 579095, 684385, 894965, 1505647, 1968923, 2326909, 7528235, 9844615, 11634545, 25595999, 127979995]

約数ペア:

[(1, 127979995), (5, 25595999), (11, 11634545), (13, 9844615), (17, 7528235), (55, 2326909), (65, 1968923), (85, 1505647), (143, 894965), (187, 684385), (221, 579095), (715, 178993), (935, 136877), (1105, 115819), (2431, 52645), (10529, 12155)]