80438778

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{212801}}^1$

素因数の和:212819

約数の個数: 32

約数和(自身を含む): 204289920

約数和(自身を除く): 123851142

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 189, 378, 212801, 425602, 638403, 1276806, 1489607, 1915209, 2979214, 3830418, 4468821, 5745627, 8937642, 11491254, 13406463, 26812926, 40219389, 80438778]

約数ペア:

[(1, 80438778), (2, 40219389), (3, 26812926), (6, 13406463), (7, 11491254), (9, 8937642), (14, 5745627), (18, 4468821), (21, 3830418), (27, 2979214), (42, 1915209), (54, 1489607), (63, 1276806), (126, 638403), (189, 425602), (378, 212801)]