42990818

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1$

素因数の和:171

約数の個数: 64

約数和(自身を含む): 78140160

約数和(自身を除く): 35149342

約数列:

[1, 2, 13, 23, 26, 29, 37, 46, 58, 67, 74, 134, 299, 377, 481, 598, 667, 754, 851, 871, 962, 1073, 1334, 1541, 1702, 1742, 1943, 2146, 2479, 3082, 3886, 4958, 8671, 11063, 13949, 17342, 20033, 22126, 24679, 25259, 27898, 32227, 40066, 44689, 49358, 50518, 57017, 64454, 71891, 89378, 114034, 143782, 320827, 580957, 641654, 741221, 934583, 1161914, 1482442, 1653493, 1869166, 3306986, 21495409, 42990818]

約数ペア:

[(1, 42990818), (2, 21495409), (13, 3306986), (23, 1869166), (26, 1653493), (29, 1482442), (37, 1161914), (46, 934583), (58, 741221), (67, 641654), (74, 580957), (134, 320827), (299, 143782), (377, 114034), (481, 89378), (598, 71891), (667, 64454), (754, 57017), (851, 50518), (871, 49358), (962, 44689), (1073, 40066), (1334, 32227), (1541, 27898), (1702, 25259), (1742, 24679), (1943, 22126), (2146, 20033), (2479, 17342), (3082, 13949), (3886, 11063), (4958, 8671)]