90213890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{53381}}^1$

素因数の和:53414

約数の個数: 24

約数和(自身を含む): 175840308

約数和(自身を除く): 85626418

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 169, 338, 845, 1690, 53381, 106762, 266905, 533810, 693953, 1387906, 3469765, 6939530, 9021389, 18042778, 45106945, 90213890]

約数ペア:

[(1, 90213890), (2, 45106945), (5, 18042778), (10, 9021389), (13, 6939530), (26, 3469765), (65, 1387906), (130, 693953), (169, 533810), (338, 266905), (845, 106762), (1690, 53381)]