221714928

素因数分解:

$2^4\times 3^3\times {\mathrm{257}}^1\times {\mathrm{1997}}^1$

素因数の和:2271

約数の個数: 80

約数和(自身を含む): 639200160

約数和(自身を除く): 417485232

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 108, 144, 216, 257, 432, 514, 771, 1028, 1542, 1997, 2056, 2313, 3084, 3994, 4112, 4626, 5991, 6168, 6939, 7988, 9252, 11982, 12336, 13878, 15976, 17973, 18504, 23964, 27756, 31952, 35946, 37008, 47928, 53919, 55512, 71892, 95856, 107838, 111024, 143784, 215676, 287568, 431352, 513229, 862704, 1026458, 1539687, 2052916, 3079374, 4105832, 4619061, 6158748, 8211664, 9238122, 12317496, 13857183, 18476244, 24634992, 27714366, 36952488, 55428732, 73904976, 110857464, 221714928]

約数ペア:

[(1, 221714928), (2, 110857464), (3, 73904976), (4, 55428732), (6, 36952488), (8, 27714366), (9, 24634992), (12, 18476244), (16, 13857183), (18, 12317496), (24, 9238122), (27, 8211664), (36, 6158748), (48, 4619061), (54, 4105832), (72, 3079374), (108, 2052916), (144, 1539687), (216, 1026458), (257, 862704), (432, 513229), (514, 431352), (771, 287568), (1028, 215676), (1542, 143784), (1997, 111024), (2056, 107838), (2313, 95856), (3084, 71892), (3994, 55512), (4112, 53919), (4626, 47928), (5991, 37008), (6168, 35946), (6939, 31952), (7988, 27756), (9252, 23964), (11982, 18504), (12336, 17973), (13878, 15976)]