68912848

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{397}}^1\times {\mathrm{571}}^1$

素因数の和:995

約数の個数: 40

約数和(自身を含む): 141146720

約数和(自身を除く): 72233872

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 397, 571, 794, 1142, 1588, 2284, 3176, 4568, 6352, 7543, 9136, 10849, 15086, 21698, 30172, 43396, 60344, 86792, 120688, 173584, 226687, 453374, 906748, 1813496, 3626992, 4307053, 8614106, 17228212, 34456424, 68912848]

約数ペア:

[(1, 68912848), (2, 34456424), (4, 17228212), (8, 8614106), (16, 4307053), (19, 3626992), (38, 1813496), (76, 906748), (152, 453374), (304, 226687), (397, 173584), (571, 120688), (794, 86792), (1142, 60344), (1588, 43396), (2284, 30172), (3176, 21698), (4568, 15086), (6352, 10849), (7543, 9136)]