81568190

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{277}}^1\times {\mathrm{2677}}^1$

素因数の和:2972

約数の個数: 32

約数和(自身を含む): 160808544

約数和(自身を除く): 79240354

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 277, 554, 1385, 2677, 2770, 3047, 5354, 6094, 13385, 15235, 26770, 29447, 30470, 58894, 147235, 294470, 741529, 1483058, 3707645, 7415290, 8156819, 16313638, 40784095, 81568190]

約数ペア:

[(1, 81568190), (2, 40784095), (5, 16313638), (10, 8156819), (11, 7415290), (22, 3707645), (55, 1483058), (110, 741529), (277, 294470), (554, 147235), (1385, 58894), (2677, 30470), (2770, 29447), (3047, 26770), (5354, 15235), (6094, 13385)]