42890864

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{1151}}^1$

素因数の和:1313

約数の個数: 40

約数和(自身を含む): 88708608

約数和(自身を除く): 45817744

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 137, 272, 274, 548, 1096, 1151, 2192, 2302, 2329, 4604, 4658, 9208, 9316, 18416, 18632, 19567, 37264, 39134, 78268, 156536, 157687, 313072, 315374, 630748, 1261496, 2522992, 2680679, 5361358, 10722716, 21445432, 42890864]

約数ペア:

[(1, 42890864), (2, 21445432), (4, 10722716), (8, 5361358), (16, 2680679), (17, 2522992), (34, 1261496), (68, 630748), (136, 315374), (137, 313072), (272, 157687), (274, 156536), (548, 78268), (1096, 39134), (1151, 37264), (2192, 19567), (2302, 18632), (2329, 18416), (4604, 9316), (4658, 9208)]