68481712

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{181}}^1$

素因数の和:326

約数の個数: 80

約数和(自身を含む): 153552672

約数和(自身を除く): 85070960

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 34, 52, 68, 104, 107, 136, 181, 208, 214, 221, 272, 362, 428, 442, 724, 856, 884, 1391, 1448, 1712, 1768, 1819, 2353, 2782, 2896, 3077, 3536, 3638, 4706, 5564, 6154, 7276, 9412, 11128, 12308, 14552, 18824, 19367, 22256, 23647, 24616, 29104, 37648, 38734, 40001, 47294, 49232, 77468, 80002, 94588, 154936, 160004, 189176, 251771, 309872, 320008, 329239, 378352, 503542, 640016, 658478, 1007084, 1316956, 2014168, 2633912, 4028336, 4280107, 5267824, 8560214, 17120428, 34240856, 68481712]

約数ペア:

[(1, 68481712), (2, 34240856), (4, 17120428), (8, 8560214), (13, 5267824), (16, 4280107), (17, 4028336), (26, 2633912), (34, 2014168), (52, 1316956), (68, 1007084), (104, 658478), (107, 640016), (136, 503542), (181, 378352), (208, 329239), (214, 320008), (221, 309872), (272, 251771), (362, 189176), (428, 160004), (442, 154936), (724, 94588), (856, 80002), (884, 77468), (1391, 49232), (1448, 47294), (1712, 40001), (1768, 38734), (1819, 37648), (2353, 29104), (2782, 24616), (2896, 23647), (3077, 22256), (3536, 19367), (3638, 18824), (4706, 14552), (5564, 12308), (6154, 11128), (7276, 9412)]