72181866

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1$

素因数の和:291

約数の個数: 64

約数和(自身を含む): 156764160

約数和(自身を除く): 84582294

約数列:

[1, 2, 3, 6, 23, 46, 53, 69, 71, 106, 138, 139, 142, 159, 213, 278, 318, 417, 426, 834, 1219, 1633, 2438, 3197, 3266, 3657, 3763, 4899, 6394, 7314, 7367, 7526, 9591, 9798, 9869, 11289, 14734, 19182, 19738, 22101, 22578, 29607, 44202, 59214, 86549, 169441, 173098, 226987, 259647, 338882, 453974, 508323, 519294, 523057, 680961, 1016646, 1046114, 1361922, 1569171, 3138342, 12030311, 24060622, 36090933, 72181866]

約数ペア:

[(1, 72181866), (2, 36090933), (3, 24060622), (6, 12030311), (23, 3138342), (46, 1569171), (53, 1361922), (69, 1046114), (71, 1016646), (106, 680961), (138, 523057), (139, 519294), (142, 508323), (159, 453974), (213, 338882), (278, 259647), (318, 226987), (417, 173098), (426, 169441), (834, 86549), (1219, 59214), (1633, 44202), (2438, 29607), (3197, 22578), (3266, 22101), (3657, 19738), (3763, 19182), (4899, 14734), (6394, 11289), (7314, 9869), (7367, 9798), (7526, 9591)]