25912984

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{199}}^1\times {\mathrm{397}}^1$

素因数の和:643

約数の個数: 32

約数和(自身を含む): 50148000

約数和(自身を除く): 24235016

約数列:

[1, 2, 4, 8, 41, 82, 164, 199, 328, 397, 398, 794, 796, 1588, 1592, 3176, 8159, 16277, 16318, 32554, 32636, 65108, 65272, 79003, 130216, 158006, 316012, 632024, 3239123, 6478246, 12956492, 25912984]

約数ペア:

[(1, 25912984), (2, 12956492), (4, 6478246), (8, 3239123), (41, 632024), (82, 316012), (164, 158006), (199, 130216), (328, 79003), (397, 65272), (398, 65108), (794, 32636), (796, 32554), (1588, 16318), (1592, 16277), (3176, 8159)]