81885155

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{617}}^1$

素因数の和:779

約数の個数: 32

約数和(自身を含む): 113909760

約数和(自身を除く): 32024605

約数列:

[1, 5, 11, 19, 55, 95, 127, 209, 617, 635, 1045, 1397, 2413, 3085, 6787, 6985, 11723, 12065, 26543, 33935, 58615, 78359, 128953, 132715, 391795, 644765, 861949, 1488821, 4309745, 7444105, 16377031, 81885155]

約数ペア:

[(1, 81885155), (5, 16377031), (11, 7444105), (19, 4309745), (55, 1488821), (95, 861949), (127, 644765), (209, 391795), (617, 132715), (635, 128953), (1045, 78359), (1397, 58615), (2413, 33935), (3085, 26543), (6787, 12065), (6985, 11723)]