205755875

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{997}}^1$

素因数の和:1152

約数の個数: 32

約数和(自身を含む): 278992896

約数和(自身を除く): 73237021

約数列:

[1, 5, 13, 25, 65, 125, 127, 325, 635, 997, 1625, 1651, 3175, 4985, 8255, 12961, 15875, 24925, 41275, 64805, 124625, 126619, 206375, 324025, 633095, 1620125, 1646047, 3165475, 8230235, 15827375, 41151175, 205755875]

約数ペア:

[(1, 205755875), (5, 41151175), (13, 15827375), (25, 8230235), (65, 3165475), (125, 1646047), (127, 1620125), (325, 633095), (635, 324025), (997, 206375), (1625, 126619), (1651, 124625), (3175, 64805), (4985, 41275), (8255, 24925), (12961, 15875)]