207819730

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{821}}^1\times {\mathrm{1489}}^1$

素因数の和:2334

約数の個数: 32

約数和(自身を含む): 396828720

約数和(自身を除く): 189008990

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 821, 1489, 1642, 2978, 4105, 7445, 8210, 13957, 14890, 25313, 27914, 50626, 69785, 126565, 139570, 253130, 1222469, 2444938, 6112345, 12224690, 20781973, 41563946, 103909865, 207819730]

約数ペア:

[(1, 207819730), (2, 103909865), (5, 41563946), (10, 20781973), (17, 12224690), (34, 6112345), (85, 2444938), (170, 1222469), (821, 253130), (1489, 139570), (1642, 126565), (2978, 69785), (4105, 50626), (7445, 27914), (8210, 25313), (13957, 14890)]