64910488

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{239}}^1\times {\mathrm{1997}}^1$

素因数の和:2259

約数の個数: 32

約数和(自身を含む): 129470400

約数和(自身を除く): 64559912

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 239, 478, 956, 1912, 1997, 3994, 4063, 7988, 8126, 15976, 16252, 32504, 33949, 67898, 135796, 271592, 477283, 954566, 1909132, 3818264, 8113811, 16227622, 32455244, 64910488]

約数ペア:

[(1, 64910488), (2, 32455244), (4, 16227622), (8, 8113811), (17, 3818264), (34, 1909132), (68, 954566), (136, 477283), (239, 271592), (478, 135796), (956, 67898), (1912, 33949), (1997, 32504), (3994, 16252), (4063, 15976), (7988, 8126)]