198619885

素因数分解:

$5^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{431}}^1$

素因数の和:573

約数の個数: 32

約数和(自身を含む): 255301632

約数和(自身を除く): 56681747

約数列:

[1, 5, 37, 47, 53, 185, 235, 265, 431, 1739, 1961, 2155, 2491, 8695, 9805, 12455, 15947, 20257, 22843, 79735, 92167, 101285, 114215, 460835, 749509, 845191, 1073621, 3747545, 4225955, 5368105, 39723977, 198619885]

約数ペア:

[(1, 198619885), (5, 39723977), (37, 5368105), (47, 4225955), (53, 3747545), (185, 1073621), (235, 845191), (265, 749509), (431, 460835), (1739, 114215), (1961, 101285), (2155, 92167), (2491, 79735), (8695, 22843), (9805, 20257), (12455, 15947)]