64181975

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{1381}}^1$

素因数の和:1428

約数の個数: 36

約数和(自身を含む): 94081032

約数和(自身を除く): 29899057

約数列:

[1, 5, 11, 13, 25, 55, 65, 143, 169, 275, 325, 715, 845, 1381, 1859, 3575, 4225, 6905, 9295, 15191, 17953, 34525, 46475, 75955, 89765, 197483, 233389, 379775, 448825, 987415, 1166945, 2567279, 4937075, 5834725, 12836395, 64181975]

約数ペア:

[(1, 64181975), (5, 12836395), (11, 5834725), (13, 4937075), (25, 2567279), (55, 1166945), (65, 987415), (143, 448825), (169, 379775), (275, 233389), (325, 197483), (715, 89765), (845, 75955), (1381, 46475), (1859, 34525), (3575, 17953), (4225, 15191), (6905, 9295)]