261626608

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{239}}^1\times {\mathrm{2207}}^1$

素因数の和:2485

約数の個数: 40

約数和(自身を含む): 525680640

約数和(自身を除く): 264054032

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 239, 248, 478, 496, 956, 1912, 2207, 3824, 4414, 7409, 8828, 14818, 17656, 29636, 35312, 59272, 68417, 118544, 136834, 273668, 527473, 547336, 1054946, 1094672, 2109892, 4219784, 8439568, 16351663, 32703326, 65406652, 130813304, 261626608]

約数ペア:

[(1, 261626608), (2, 130813304), (4, 65406652), (8, 32703326), (16, 16351663), (31, 8439568), (62, 4219784), (124, 2109892), (239, 1094672), (248, 1054946), (478, 547336), (496, 527473), (956, 273668), (1912, 136834), (2207, 118544), (3824, 68417), (4414, 59272), (7409, 35312), (8828, 29636), (14818, 17656)]