221465776

素因数分解:

$2^4\times 7^1\times {\mathrm{571}}^1\times {\mathrm{3463}}^1$

素因数の和:4049

約数の個数: 40

約数和(自身を含む): 491389184

約数和(自身を除く): 269923408

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 571, 1142, 2284, 3463, 3997, 4568, 6926, 7994, 9136, 13852, 15988, 24241, 27704, 31976, 48482, 55408, 63952, 96964, 193928, 387856, 1977373, 3954746, 7909492, 13841611, 15818984, 27683222, 31637968, 55366444, 110732888, 221465776]

約数ペア:

[(1, 221465776), (2, 110732888), (4, 55366444), (7, 31637968), (8, 27683222), (14, 15818984), (16, 13841611), (28, 7909492), (56, 3954746), (112, 1977373), (571, 387856), (1142, 193928), (2284, 96964), (3463, 63952), (3997, 55408), (4568, 48482), (6926, 31976), (7994, 27704), (9136, 24241), (13852, 15988)]