208974472

素因数分解:

$2^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{97}}^1$

素因数の和:231

約数の個数: 128

約数和(自身を含む): 501258240

約数和(自身を除く): 292283768

約数列:

[1, 2, 4, 7, 8, 14, 17, 28, 31, 34, 56, 62, 68, 73, 97, 119, 124, 136, 146, 194, 217, 238, 248, 292, 388, 434, 476, 511, 527, 584, 679, 776, 868, 952, 1022, 1054, 1241, 1358, 1649, 1736, 2044, 2108, 2263, 2482, 2716, 3007, 3298, 3689, 4088, 4216, 4526, 4964, 5432, 6014, 6596, 7081, 7378, 8687, 9052, 9928, 11543, 12028, 13192, 14162, 14756, 15841, 17374, 18104, 21049, 23086, 24056, 28324, 29512, 31682, 34748, 38471, 42098, 46172, 49567, 51119, 56648, 63364, 69496, 76942, 84196, 92344, 99134, 102238, 120377, 126728, 153884, 168392, 198268, 204476, 219511, 240754, 269297, 307768, 357833, 396536, 408952, 439022, 481508, 538594, 715666, 842639, 878044, 963016, 1077188, 1431332, 1536577, 1685278, 1756088, 2154376, 2862664, 3073154, 3370556, 3731687, 6146308, 6741112, 7463374, 12292616, 14926748, 26121809, 29853496, 52243618, 104487236, 208974472]

約数ペア:

[(1, 208974472), (2, 104487236), (4, 52243618), (7, 29853496), (8, 26121809), (14, 14926748), (17, 12292616), (28, 7463374), (31, 6741112), (34, 6146308), (56, 3731687), (62, 3370556), (68, 3073154), (73, 2862664), (97, 2154376), (119, 1756088), (124, 1685278), (136, 1536577), (146, 1431332), (194, 1077188), (217, 963016), (238, 878044), (248, 842639), (292, 715666), (388, 538594), (434, 481508), (476, 439022), (511, 408952), (527, 396536), (584, 357833), (679, 307768), (776, 269297), (868, 240754), (952, 219511), (1022, 204476), (1054, 198268), (1241, 168392), (1358, 153884), (1649, 126728), (1736, 120377), (2044, 102238), (2108, 99134), (2263, 92344), (2482, 84196), (2716, 76942), (3007, 69496), (3298, 63364), (3689, 56648), (4088, 51119), (4216, 49567), (4526, 46172), (4964, 42098), (5432, 38471), (6014, 34748), (6596, 31682), (7081, 29512), (7378, 28324), (8687, 24056), (9052, 23086), (9928, 21049), (11543, 18104), (12028, 17374), (13192, 15841), (14162, 14756)]