251578986

素因数分解:

$2^1\times 3^1\times {\mathrm{71}}^1\times {\mathrm{151}}^1\times {\mathrm{3911}}^1$

素因数の和:4138

約数の個数: 32

約数和(自身を含む): 513755136

約数和(自身を除く): 262176150

約数列:

[1, 2, 3, 6, 71, 142, 151, 213, 302, 426, 453, 906, 3911, 7822, 10721, 11733, 21442, 23466, 32163, 64326, 277681, 555362, 590561, 833043, 1181122, 1666086, 1771683, 3543366, 41929831, 83859662, 125789493, 251578986]

約数ペア:

[(1, 251578986), (2, 125789493), (3, 83859662), (6, 41929831), (71, 3543366), (142, 1771683), (151, 1666086), (213, 1181122), (302, 833043), (426, 590561), (453, 555362), (906, 277681), (3911, 64326), (7822, 32163), (10721, 23466), (11733, 21442)]