257612388

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^3\times {\mathrm{127}}^2$

素因数の和:294

約数の個数: 72

約数和(自身を含む): 666406944

約数和(自身を除く): 408794556

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 121, 127, 132, 242, 254, 363, 381, 484, 508, 726, 762, 1331, 1397, 1452, 1524, 2662, 2794, 3993, 4191, 5324, 5588, 7986, 8382, 15367, 15972, 16129, 16764, 30734, 32258, 46101, 48387, 61468, 64516, 92202, 96774, 169037, 177419, 184404, 193548, 338074, 354838, 507111, 532257, 676148, 709676, 1014222, 1064514, 1951609, 2028444, 2129028, 3903218, 5854827, 7806436, 11709654, 21467699, 23419308, 42935398, 64403097, 85870796, 128806194, 257612388]

約数ペア:

[(1, 257612388), (2, 128806194), (3, 85870796), (4, 64403097), (6, 42935398), (11, 23419308), (12, 21467699), (22, 11709654), (33, 7806436), (44, 5854827), (66, 3903218), (121, 2129028), (127, 2028444), (132, 1951609), (242, 1064514), (254, 1014222), (363, 709676), (381, 676148), (484, 532257), (508, 507111), (726, 354838), (762, 338074), (1331, 193548), (1397, 184404), (1452, 177419), (1524, 169037), (2662, 96774), (2794, 92202), (3993, 64516), (4191, 61468), (5324, 48387), (5588, 46101), (7986, 32258), (8382, 30734), (15367, 16764), (15972, 16129)]