221041968

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{657863}}^1$

素因数の和:657881

約数の個数: 40

約数和(自身を含む): 652601088

約数和(自身を除く): 431559120

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 336, 657863, 1315726, 1973589, 2631452, 3947178, 4605041, 5262904, 7894356, 9210082, 10525808, 13815123, 15788712, 18420164, 27630246, 31577424, 36840328, 55260492, 73680656, 110520984, 221041968]

約数ペア:

[(1, 221041968), (2, 110520984), (3, 73680656), (4, 55260492), (6, 36840328), (7, 31577424), (8, 27630246), (12, 18420164), (14, 15788712), (16, 13815123), (21, 10525808), (24, 9210082), (28, 7894356), (42, 5262904), (48, 4605041), (56, 3947178), (84, 2631452), (112, 1973589), (168, 1315726), (336, 657863)]