87641323

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{397}}^1$

素因数の和:523

約数の個数: 32

約数和(自身を含む): 113707008

約数和(自身を除く): 26065685

約数列:

[1, 7, 11, 47, 61, 77, 329, 397, 427, 517, 671, 2779, 2867, 3619, 4367, 4697, 18659, 20069, 24217, 30569, 31537, 130613, 169519, 205249, 220759, 266387, 1138199, 1436743, 1864709, 7967393, 12520189, 87641323]

約数ペア:

[(1, 87641323), (7, 12520189), (11, 7967393), (47, 1864709), (61, 1436743), (77, 1138199), (329, 266387), (397, 220759), (427, 205249), (517, 169519), (671, 130613), (2779, 31537), (2867, 30569), (3619, 24217), (4367, 20069), (4697, 18659)]