128638188

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{457}}^1\times {\mathrm{1117}}^1$

素因数の和:1591

約数の個数: 72

約数和(自身を含む): 372768032

約数和(自身を除く): 244129844

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 457, 914, 1117, 1371, 1828, 2234, 2742, 3199, 3351, 4113, 4468, 5484, 6398, 6702, 7819, 8226, 9597, 10053, 12796, 13404, 15638, 16452, 19194, 20106, 23457, 28791, 31276, 38388, 40212, 46914, 57582, 70371, 93828, 115164, 140742, 281484, 510469, 1020938, 1531407, 2041876, 3062814, 3573283, 4594221, 6125628, 7146566, 9188442, 10719849, 14293132, 18376884, 21439698, 32159547, 42879396, 64319094, 128638188]

約数ペア:

[(1, 128638188), (2, 64319094), (3, 42879396), (4, 32159547), (6, 21439698), (7, 18376884), (9, 14293132), (12, 10719849), (14, 9188442), (18, 7146566), (21, 6125628), (28, 4594221), (36, 3573283), (42, 3062814), (63, 2041876), (84, 1531407), (126, 1020938), (252, 510469), (457, 281484), (914, 140742), (1117, 115164), (1371, 93828), (1828, 70371), (2234, 57582), (2742, 46914), (3199, 40212), (3351, 38388), (4113, 31276), (4468, 28791), (5484, 23457), (6398, 20106), (6702, 19194), (7819, 16452), (8226, 15638), (9597, 13404), (10053, 12796)]