25429690

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17783}}^1$

素因数の和:17814

約数の個数: 32

約数和(自身を含む): 53778816

約数和(自身を除く): 28349126

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 110, 130, 143, 286, 715, 1430, 17783, 35566, 88915, 177830, 195613, 231179, 391226, 462358, 978065, 1155895, 1956130, 2311790, 2542969, 5085938, 12714845, 25429690]

約数ペア:

[(1, 25429690), (2, 12714845), (5, 5085938), (10, 2542969), (11, 2311790), (13, 1956130), (22, 1155895), (26, 978065), (55, 462358), (65, 391226), (110, 231179), (130, 195613), (143, 177830), (286, 88915), (715, 35566), (1430, 17783)]