68488784

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2767}}^1$

素因数の和:2812

約数の個数: 80

約数和(自身を含む): 172988928

約数和(自身を除く): 104500144

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 17, 26, 28, 34, 52, 56, 68, 91, 104, 112, 119, 136, 182, 208, 221, 238, 272, 364, 442, 476, 728, 884, 952, 1456, 1547, 1768, 1904, 2767, 3094, 3536, 5534, 6188, 11068, 12376, 19369, 22136, 24752, 35971, 38738, 44272, 47039, 71942, 77476, 94078, 143884, 154952, 188156, 251797, 287768, 309904, 329273, 376312, 503594, 575536, 611507, 658546, 752624, 1007188, 1223014, 1317092, 2014376, 2446028, 2634184, 4028752, 4280549, 4892056, 5268368, 8561098, 9784112, 17122196, 34244392, 68488784]

約数ペア:

[(1, 68488784), (2, 34244392), (4, 17122196), (7, 9784112), (8, 8561098), (13, 5268368), (14, 4892056), (16, 4280549), (17, 4028752), (26, 2634184), (28, 2446028), (34, 2014376), (52, 1317092), (56, 1223014), (68, 1007188), (91, 752624), (104, 658546), (112, 611507), (119, 575536), (136, 503594), (182, 376312), (208, 329273), (221, 309904), (238, 287768), (272, 251797), (364, 188156), (442, 154952), (476, 143884), (728, 94078), (884, 77476), (952, 71942), (1456, 47039), (1547, 44272), (1768, 38738), (1904, 35971), (2767, 24752), (3094, 22136), (3536, 19369), (5534, 12376), (6188, 11068)]