220697904

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{656839}}^1$

素因数の和:656857

約数の個数: 40

約数和(自身を含む): 651585280

約数和(自身を除く): 430887376

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 336, 656839, 1313678, 1970517, 2627356, 3941034, 4597873, 5254712, 7882068, 9195746, 10509424, 13793619, 15764136, 18391492, 27587238, 31528272, 36782984, 55174476, 73565968, 110348952, 220697904]

約数ペア:

[(1, 220697904), (2, 110348952), (3, 73565968), (4, 55174476), (6, 36782984), (7, 31528272), (8, 27587238), (12, 18391492), (14, 15764136), (16, 13793619), (21, 10509424), (24, 9195746), (28, 7882068), (42, 5254712), (48, 4597873), (56, 3941034), (84, 2627356), (112, 1970517), (168, 1313678), (336, 656839)]