266965998

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^3\times {\mathrm{499}}^1$

素因数の和:574

約数の個数: 64

約数和(自身を含む): 608160000

約数和(自身を除く): 341194002

約数列:

[1, 2, 3, 6, 13, 19, 26, 38, 39, 57, 78, 114, 247, 361, 494, 499, 722, 741, 998, 1083, 1482, 1497, 2166, 2994, 4693, 6487, 6859, 9386, 9481, 12974, 13718, 14079, 18962, 19461, 20577, 28158, 28443, 38922, 41154, 56886, 89167, 123253, 178334, 180139, 246506, 267501, 360278, 369759, 535002, 540417, 739518, 1080834, 2341807, 3422641, 4683614, 6845282, 7025421, 10267923, 14050842, 20535846, 44494333, 88988666, 133482999, 266965998]

約数ペア:

[(1, 266965998), (2, 133482999), (3, 88988666), (6, 44494333), (13, 20535846), (19, 14050842), (26, 10267923), (38, 7025421), (39, 6845282), (57, 4683614), (78, 3422641), (114, 2341807), (247, 1080834), (361, 739518), (494, 540417), (499, 535002), (722, 369759), (741, 360278), (998, 267501), (1083, 246506), (1482, 180139), (1497, 178334), (2166, 123253), (2994, 89167), (4693, 56886), (6487, 41154), (6859, 38922), (9386, 28443), (9481, 28158), (12974, 20577), (13718, 19461), (14079, 18962)]