25366928

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{199}}^1\times {\mathrm{257}}^1$

素因数の和:495

約数の個数: 40

約数和(自身を含む): 51187200

約数和(自身を除く): 25820272

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 199, 248, 257, 398, 496, 514, 796, 1028, 1592, 2056, 3184, 4112, 6169, 7967, 12338, 15934, 24676, 31868, 49352, 51143, 63736, 98704, 102286, 127472, 204572, 409144, 818288, 1585433, 3170866, 6341732, 12683464, 25366928]

約数ペア:

[(1, 25366928), (2, 12683464), (4, 6341732), (8, 3170866), (16, 1585433), (31, 818288), (62, 409144), (124, 204572), (199, 127472), (248, 102286), (257, 98704), (398, 63736), (496, 51143), (514, 49352), (796, 31868), (1028, 24676), (1592, 15934), (2056, 12338), (3184, 7967), (4112, 6169)]