1997386178672

素因数分解:

$2^4\times {\mathrm{1217}}^1\times {\mathrm{15901}}^1\times {\mathrm{6451}}^1$

素因数の和:23577

約数の個数: 40

約数和(自身を含む): 3873959623632

約数和(自身を除く): 1876573444960

約数列:

[1, 2, 4, 8, 16, 1217, 2434, 4868, 6451, 9736, 12902, 15901, 19472, 25804, 31802, 51608, 63604, 103216, 127208, 254416, 7850867, 15701734, 19351517, 31403468, 38703034, 62806936, 77406068, 102577351, 125613872, 154812136, 205154702, 309624272, 410309404, 820618808, 1641237616, 124836636167, 249673272334, 499346544668, 998693089336, 1997386178672]

約数ペア:

[(1, 1997386178672), (2, 998693089336), (4, 499346544668), (8, 249673272334), (16, 124836636167), (1217, 1641237616), (2434, 820618808), (4868, 410309404), (6451, 309624272), (9736, 205154702), (12902, 154812136), (15901, 125613872), (19472, 102577351), (25804, 77406068), (31802, 62806936), (51608, 38703034), (63604, 31403468), (103216, 19351517), (127208, 15701734), (254416, 7850867)]