71331152

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{199}}^1\times {\mathrm{521}}^1$

素因数の和:771

約数の個数: 40

約数和(自身を含む): 142401600

約数和(自身を除く): 71070448

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 199, 344, 398, 521, 688, 796, 1042, 1592, 2084, 3184, 4168, 8336, 8557, 17114, 22403, 34228, 44806, 68456, 89612, 103679, 136912, 179224, 207358, 358448, 414716, 829432, 1658864, 4458197, 8916394, 17832788, 35665576, 71331152]

約数ペア:

[(1, 71331152), (2, 35665576), (4, 17832788), (8, 8916394), (16, 4458197), (43, 1658864), (86, 829432), (172, 414716), (199, 358448), (344, 207358), (398, 179224), (521, 136912), (688, 103679), (796, 89612), (1042, 68456), (1592, 44806), (2084, 34228), (3184, 22403), (4168, 17114), (8336, 8557)]