219517696

素因数分解:

$2^8\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{199}}^1$

素因数の和:385

約数の個数: 72

約数和(自身を含む): 457856000

約数和(自身を除く): 238338304

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 139, 199, 248, 256, 278, 398, 496, 556, 796, 992, 1112, 1592, 1984, 2224, 3184, 3968, 4309, 4448, 6169, 6368, 7936, 8618, 8896, 12338, 12736, 17236, 17792, 24676, 25472, 27661, 34472, 35584, 49352, 50944, 55322, 68944, 98704, 110644, 137888, 197408, 221288, 275776, 394816, 442576, 551552, 789632, 857491, 885152, 1103104, 1579264, 1714982, 1770304, 3429964, 3540608, 6859928, 7081216, 13719856, 27439712, 54879424, 109758848, 219517696]

約数ペア:

[(1, 219517696), (2, 109758848), (4, 54879424), (8, 27439712), (16, 13719856), (31, 7081216), (32, 6859928), (62, 3540608), (64, 3429964), (124, 1770304), (128, 1714982), (139, 1579264), (199, 1103104), (248, 885152), (256, 857491), (278, 789632), (398, 551552), (496, 442576), (556, 394816), (796, 275776), (992, 221288), (1112, 197408), (1592, 137888), (1984, 110644), (2224, 98704), (3184, 68944), (3968, 55322), (4309, 50944), (4448, 49352), (6169, 35584), (6368, 34472), (7936, 27661), (8618, 25472), (8896, 24676), (12338, 17792), (12736, 17236)]