78216490

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{151}}^1\times {\mathrm{277}}^1$

素因数の和:463

約数の個数: 64

約数和(自身を含む): 164291328

約数和(自身を除く): 86074838

約数列:

[1, 2, 5, 10, 11, 17, 22, 34, 55, 85, 110, 151, 170, 187, 277, 302, 374, 554, 755, 935, 1385, 1510, 1661, 1870, 2567, 2770, 3047, 3322, 4709, 5134, 6094, 8305, 9418, 12835, 15235, 16610, 23545, 25670, 28237, 30470, 41827, 47090, 51799, 56474, 83654, 103598, 141185, 209135, 258995, 282370, 418270, 460097, 517990, 711059, 920194, 1422118, 2300485, 3555295, 4600970, 7110590, 7821649, 15643298, 39108245, 78216490]

約数ペア:

[(1, 78216490), (2, 39108245), (5, 15643298), (10, 7821649), (11, 7110590), (17, 4600970), (22, 3555295), (34, 2300485), (55, 1422118), (85, 920194), (110, 711059), (151, 517990), (170, 460097), (187, 418270), (277, 282370), (302, 258995), (374, 209135), (554, 141185), (755, 103598), (935, 83654), (1385, 56474), (1510, 51799), (1661, 47090), (1870, 41827), (2567, 30470), (2770, 28237), (3047, 25670), (3322, 23545), (4709, 16610), (5134, 15235), (6094, 12835), (8305, 9418)]