207986690

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{197}}^1\times {\mathrm{1487}}^1$

素因数の和:1762

約数の個数: 32

約数和(自身を含む): 381832704

約数和(自身を除く): 173846014

約数列:

[1, 2, 5, 10, 71, 142, 197, 355, 394, 710, 985, 1487, 1970, 2974, 7435, 13987, 14870, 27974, 69935, 105577, 139870, 211154, 292939, 527885, 585878, 1055770, 1464695, 2929390, 20798669, 41597338, 103993345, 207986690]

約数ペア:

[(1, 207986690), (2, 103993345), (5, 41597338), (10, 20798669), (71, 2929390), (142, 1464695), (197, 1055770), (355, 585878), (394, 527885), (710, 292939), (985, 211154), (1487, 139870), (1970, 105577), (2974, 69935), (7435, 27974), (13987, 14870)]