218641208

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{193}}^1\times {\mathrm{257}}^1$

素因数の和:504

約数の個数: 64

約数和(自身を含む): 450468000

約数和(自身を除く): 231826792

約数列:

[1, 2, 4, 8, 19, 29, 38, 58, 76, 116, 152, 193, 232, 257, 386, 514, 551, 772, 1028, 1102, 1544, 2056, 2204, 3667, 4408, 4883, 5597, 7334, 7453, 9766, 11194, 14668, 14906, 19532, 22388, 29336, 29812, 39064, 44776, 49601, 59624, 99202, 106343, 141607, 198404, 212686, 283214, 396808, 425372, 566428, 850744, 942419, 1132856, 1438429, 1884838, 2876858, 3769676, 5753716, 7539352, 11507432, 27330151, 54660302, 109320604, 218641208]

約数ペア:

[(1, 218641208), (2, 109320604), (4, 54660302), (8, 27330151), (19, 11507432), (29, 7539352), (38, 5753716), (58, 3769676), (76, 2876858), (116, 1884838), (152, 1438429), (193, 1132856), (232, 942419), (257, 850744), (386, 566428), (514, 425372), (551, 396808), (772, 283214), (1028, 212686), (1102, 198404), (1544, 141607), (2056, 106343), (2204, 99202), (3667, 59624), (4408, 49601), (4883, 44776), (5597, 39064), (7334, 29812), (7453, 29336), (9766, 22388), (11194, 19532), (14668, 14906)]