221520072

素因数分解:

$2^3\times 3^1\times {\mathrm{53}}^1\times {\mathrm{349}}^1\times {\mathrm{499}}^1$

素因数の和:910

約数の個数: 64

約数和(自身を含む): 567000000

約数和(自身を除く): 345479928

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 53, 106, 159, 212, 318, 349, 424, 499, 636, 698, 998, 1047, 1272, 1396, 1497, 1996, 2094, 2792, 2994, 3992, 4188, 5988, 8376, 11976, 18497, 26447, 36994, 52894, 55491, 73988, 79341, 105788, 110982, 147976, 158682, 174151, 211576, 221964, 317364, 348302, 443928, 522453, 634728, 696604, 1044906, 1393208, 2089812, 4179624, 9230003, 18460006, 27690009, 36920012, 55380018, 73840024, 110760036, 221520072]

約数ペア:

[(1, 221520072), (2, 110760036), (3, 73840024), (4, 55380018), (6, 36920012), (8, 27690009), (12, 18460006), (24, 9230003), (53, 4179624), (106, 2089812), (159, 1393208), (212, 1044906), (318, 696604), (349, 634728), (424, 522453), (499, 443928), (636, 348302), (698, 317364), (998, 221964), (1047, 211576), (1272, 174151), (1396, 158682), (1497, 147976), (1996, 110982), (2094, 105788), (2792, 79341), (2994, 73988), (3992, 55491), (4188, 52894), (5988, 36994), (8376, 26447), (11976, 18497)]