247987404

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{881}}^1\times {\mathrm{1117}}^1$

素因数の和:2015

約数の個数: 72

約数和(自身を含む): 717863328

約数和(自身を除く): 469875924

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 881, 1117, 1762, 2234, 2643, 3351, 3524, 4468, 5286, 6167, 6702, 7819, 7929, 10053, 10572, 12334, 13404, 15638, 15858, 18501, 20106, 23457, 24668, 31276, 31716, 37002, 40212, 46914, 55503, 70371, 74004, 93828, 111006, 140742, 222012, 281484, 984077, 1968154, 2952231, 3936308, 5904462, 6888539, 8856693, 11808924, 13777078, 17713386, 20665617, 27554156, 35426772, 41331234, 61996851, 82662468, 123993702, 247987404]

約数ペア:

[(1, 247987404), (2, 123993702), (3, 82662468), (4, 61996851), (6, 41331234), (7, 35426772), (9, 27554156), (12, 20665617), (14, 17713386), (18, 13777078), (21, 11808924), (28, 8856693), (36, 6888539), (42, 5904462), (63, 3936308), (84, 2952231), (126, 1968154), (252, 984077), (881, 281484), (1117, 222012), (1762, 140742), (2234, 111006), (2643, 93828), (3351, 74004), (3524, 70371), (4468, 55503), (5286, 46914), (6167, 40212), (6702, 37002), (7819, 31716), (7929, 31276), (10053, 24668), (10572, 23457), (12334, 20106), (13404, 18501), (15638, 15858)]