81080356

素因数分解:

$2^2\times 7^1\times {\mathrm{127}}^1\times {\mathrm{151}}^2$

素因数の和:440

約数の個数: 36

約数和(自身を含む): 164527104

約数和(自身を除く): 83446748

約数列:

[1, 2, 4, 7, 14, 28, 127, 151, 254, 302, 508, 604, 889, 1057, 1778, 2114, 3556, 4228, 19177, 22801, 38354, 45602, 76708, 91204, 134239, 159607, 268478, 319214, 536956, 638428, 2895727, 5791454, 11582908, 20270089, 40540178, 81080356]

約数ペア:

[(1, 81080356), (2, 40540178), (4, 20270089), (7, 11582908), (14, 5791454), (28, 2895727), (127, 638428), (151, 536956), (254, 319214), (302, 268478), (508, 159607), (604, 134239), (889, 91204), (1057, 76708), (1778, 45602), (2114, 38354), (3556, 22801), (4228, 19177)]