557223478

素因数分解:

$2^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{109}}^1\times {\mathrm{139}}^1$

素因数の和:365

約数の個数: 64

約数和(自身を含む): 1011225600

約数和(自身を除く): 454002122

約数列:

[1, 2, 7, 14, 37, 71, 74, 109, 139, 142, 218, 259, 278, 497, 518, 763, 973, 994, 1526, 1946, 2627, 4033, 5143, 5254, 7739, 8066, 9869, 10286, 15151, 15478, 18389, 19738, 28231, 30302, 36001, 36778, 54173, 56462, 69083, 72002, 106057, 108346, 138166, 212114, 286343, 365153, 560587, 572686, 730306, 1075721, 1121174, 2004401, 2151442, 2556071, 3924109, 4008802, 5112142, 7530047, 7848218, 15060094, 39801677, 79603354, 278611739, 557223478]

約数ペア:

[(1, 557223478), (2, 278611739), (7, 79603354), (14, 39801677), (37, 15060094), (71, 7848218), (74, 7530047), (109, 5112142), (139, 4008802), (142, 3924109), (218, 2556071), (259, 2151442), (278, 2004401), (497, 1121174), (518, 1075721), (763, 730306), (973, 572686), (994, 560587), (1526, 365153), (1946, 286343), (2627, 212114), (4033, 138166), (5143, 108346), (5254, 106057), (7739, 72002), (8066, 69083), (9869, 56462), (10286, 54173), (15151, 36778), (15478, 36001), (18389, 30302), (19738, 28231)]