78610675

素因数分解:

$5^2\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{1999}}^1$

素因数の和:2044

約数の個数: 36

約数和(自身を含む): 115444000

約数和(自身を除く): 36833325

約数列:

[1, 5, 11, 13, 25, 55, 65, 121, 143, 275, 325, 605, 715, 1573, 1999, 3025, 3575, 7865, 9995, 21989, 25987, 39325, 49975, 109945, 129935, 241879, 285857, 549725, 649675, 1209395, 1429285, 3144427, 6046975, 7146425, 15722135, 78610675]

約数ペア:

[(1, 78610675), (5, 15722135), (11, 7146425), (13, 6046975), (25, 3144427), (55, 1429285), (65, 1209395), (121, 649675), (143, 549725), (275, 285857), (325, 241879), (605, 129935), (715, 109945), (1573, 49975), (1999, 39325), (3025, 25987), (3575, 21989), (7865, 9995)]