28668775205

素因数分解:

$5^1\times 7^3\times {\mathrm{401}}^1\times {\mathrm{41687}}^1$

素因数の和:42114

約数の個数: 32

約数和(自身を含む): 40220582400

約数和(自身を除く): 11551807195

約数列:

[1, 5, 7, 35, 49, 245, 343, 401, 1715, 2005, 2807, 14035, 19649, 41687, 98245, 137543, 208435, 291809, 687715, 1459045, 2042663, 10213315, 14298641, 16716487, 71493205, 83582435, 117015409, 585077045, 819107863, 4095539315, 5733755041, 28668775205]

約数ペア:

[(1, 28668775205), (5, 5733755041), (7, 4095539315), (35, 819107863), (49, 585077045), (245, 117015409), (343, 83582435), (401, 71493205), (1715, 16716487), (2005, 14298641), (2807, 10213315), (14035, 2042663), (19649, 1459045), (41687, 687715), (98245, 291809), (137543, 208435)]