221496184

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{304253}}^1$

素因数の和:304279

約数の個数: 32

約数和(自身を含む): 511146720

約数和(自身を除く): 289650536

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 182, 364, 728, 304253, 608506, 1217012, 2129771, 2434024, 3955289, 4259542, 7910578, 8519084, 15821156, 17038168, 27687023, 31642312, 55374046, 110748092, 221496184]

約数ペア:

[(1, 221496184), (2, 110748092), (4, 55374046), (7, 31642312), (8, 27687023), (13, 17038168), (14, 15821156), (26, 8519084), (28, 7910578), (52, 4259542), (56, 3955289), (91, 2434024), (104, 2129771), (182, 1217012), (364, 608506), (728, 304253)]