245655465

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{617}}^1$

素因数の和:782

約数の個数: 64

約数和(自身を含む): 455639040

約数和(自身を除く): 209983575

約数列:

[1, 3, 5, 11, 15, 19, 33, 55, 57, 95, 127, 165, 209, 285, 381, 617, 627, 635, 1045, 1397, 1851, 1905, 2413, 3085, 3135, 4191, 6787, 6985, 7239, 9255, 11723, 12065, 20361, 20955, 26543, 33935, 35169, 36195, 58615, 78359, 79629, 101805, 128953, 132715, 175845, 235077, 386859, 391795, 398145, 644765, 861949, 1175385, 1488821, 1934295, 2585847, 4309745, 4466463, 7444105, 12929235, 16377031, 22332315, 49131093, 81885155, 245655465]

約数ペア:

[(1, 245655465), (3, 81885155), (5, 49131093), (11, 22332315), (15, 16377031), (19, 12929235), (33, 7444105), (55, 4466463), (57, 4309745), (95, 2585847), (127, 1934295), (165, 1488821), (209, 1175385), (285, 861949), (381, 644765), (617, 398145), (627, 391795), (635, 386859), (1045, 235077), (1397, 175845), (1851, 132715), (1905, 128953), (2413, 101805), (3085, 79629), (3135, 78359), (4191, 58615), (6787, 36195), (6985, 35169), (7239, 33935), (9255, 26543), (11723, 20955), (12065, 20361)]