17789990

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{227}}^1\times {\mathrm{461}}^1$

素因数の和:712

約数の個数: 32

約数和(自身を含む): 34128864

約数和(自身を除く): 16338874

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 227, 454, 461, 922, 1135, 2270, 2305, 3859, 4610, 7718, 7837, 15674, 19295, 38590, 39185, 78370, 104647, 209294, 523235, 1046470, 1778999, 3557998, 8894995, 17789990]

約数ペア:

[(1, 17789990), (2, 8894995), (5, 3557998), (10, 1778999), (17, 1046470), (34, 523235), (85, 209294), (170, 104647), (227, 78370), (454, 39185), (461, 38590), (922, 19295), (1135, 15674), (2270, 7837), (2305, 7718), (3859, 4610)]