2049204885

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{751}}^1\times {\mathrm{1999}}^1$

素因数の和:2778

約数の個数: 64

約数和(自身を含む): 4042752000

約数和(自身を除く): 1993547115

約数列:

[1, 3, 5, 7, 13, 15, 21, 35, 39, 65, 91, 105, 195, 273, 455, 751, 1365, 1999, 2253, 3755, 5257, 5997, 9763, 9995, 11265, 13993, 15771, 25987, 26285, 29289, 29985, 41979, 48815, 68341, 69965, 77961, 78855, 129935, 146445, 181909, 205023, 209895, 341705, 389805, 545727, 909545, 1025115, 1501249, 2728635, 4503747, 7506245, 10508743, 19516237, 22518735, 31526229, 52543715, 58548711, 97581185, 136613659, 157631145, 292743555, 409840977, 683068295, 2049204885]

約数ペア:

[(1, 2049204885), (3, 683068295), (5, 409840977), (7, 292743555), (13, 157631145), (15, 136613659), (21, 97581185), (35, 58548711), (39, 52543715), (65, 31526229), (91, 22518735), (105, 19516237), (195, 10508743), (273, 7506245), (455, 4503747), (751, 2728635), (1365, 1501249), (1999, 1025115), (2253, 909545), (3755, 545727), (5257, 389805), (5997, 341705), (9763, 209895), (9995, 205023), (11265, 181909), (13993, 146445), (15771, 129935), (25987, 78855), (26285, 77961), (29289, 69965), (29985, 68341), (41979, 48815)]