408824975

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{1091}}^1\times {\mathrm{1153}}^1$

素因数の和:2267

約数の個数: 24

約数和(自身を含む): 546912912

約数和(自身を除く): 138087937

約数列:

[1, 5, 13, 25, 65, 325, 1091, 1153, 5455, 5765, 14183, 14989, 27275, 28825, 70915, 74945, 354575, 374725, 1257923, 6289615, 16352999, 31448075, 81764995, 408824975]

約数ペア:

[(1, 408824975), (5, 81764995), (13, 31448075), (25, 16352999), (65, 6289615), (325, 1257923), (1091, 374725), (1153, 354575), (5455, 74945), (5765, 70915), (14183, 28825), (14989, 27275)]