1285402587

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{149}}^1\times {\mathrm{337}}^1$

素因数の和:572

約数の個数: 64

約数和(自身を含む): 2102630400

約数和(自身を除く): 817227813

約数列:

[1, 3, 7, 21, 23, 53, 69, 149, 159, 161, 337, 371, 447, 483, 1011, 1043, 1113, 1219, 2359, 3129, 3427, 3657, 7077, 7751, 7897, 8533, 10281, 17861, 23253, 23691, 23989, 25599, 50213, 53583, 54257, 55279, 71967, 125027, 150639, 162771, 165837, 181631, 351491, 375081, 410803, 544893, 1054473, 1154899, 1232409, 1271417, 2661289, 2875621, 3464697, 3814251, 7983867, 8084293, 8626863, 18629023, 24252879, 55887069, 61209647, 183628941, 428467529, 1285402587]

約数ペア:

[(1, 1285402587), (3, 428467529), (7, 183628941), (21, 61209647), (23, 55887069), (53, 24252879), (69, 18629023), (149, 8626863), (159, 8084293), (161, 7983867), (337, 3814251), (371, 3464697), (447, 2875621), (483, 2661289), (1011, 1271417), (1043, 1232409), (1113, 1154899), (1219, 1054473), (2359, 544893), (3129, 410803), (3427, 375081), (3657, 351491), (7077, 181631), (7751, 165837), (7897, 162771), (8533, 150639), (10281, 125027), (17861, 71967), (23253, 55279), (23691, 54257), (23989, 53583), (25599, 50213)]