378996865

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{389}}^1\times {\mathrm{1153}}^1$

素因数の和:1573

約数の個数: 24

約数和(自身を含む): 494165880

約数和(自身を除く): 115169015

約数列:

[1, 5, 13, 65, 169, 389, 845, 1153, 1945, 5057, 5765, 14989, 25285, 65741, 74945, 194857, 328705, 448517, 974285, 2242585, 5830721, 29153605, 75799373, 378996865]

約数ペア:

[(1, 378996865), (5, 75799373), (13, 29153605), (65, 5830721), (169, 2242585), (389, 974285), (845, 448517), (1153, 328705), (1945, 194857), (5057, 74945), (5765, 65741), (14989, 25285)]