98789975

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{191}}^1\times {\mathrm{1217}}^1$

素因数の和:1435

約数の個数: 24

約数和(自身を含む): 130491648

約数和(自身を除く): 31701673

約数列:

[1, 5, 17, 25, 85, 191, 425, 955, 1217, 3247, 4775, 6085, 16235, 20689, 30425, 81175, 103445, 232447, 517225, 1162235, 3951599, 5811175, 19757995, 98789975]

約数ペア:

[(1, 98789975), (5, 19757995), (17, 5811175), (25, 3951599), (85, 1162235), (191, 517225), (425, 232447), (955, 103445), (1217, 81175), (3247, 30425), (4775, 20689), (6085, 16235)]