68681368

素因数分解:

$2^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{39563}}^1$

素因数の和:39607

約数の個数: 32

約数和(自身を含む): 151925760

約数和(自身を除く): 83244392

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 56, 62, 124, 217, 248, 434, 868, 1736, 39563, 79126, 158252, 276941, 316504, 553882, 1107764, 1226453, 2215528, 2452906, 4905812, 8585171, 9811624, 17170342, 34340684, 68681368]

約数ペア:

[(1, 68681368), (2, 34340684), (4, 17170342), (7, 9811624), (8, 8585171), (14, 4905812), (28, 2452906), (31, 2215528), (56, 1226453), (62, 1107764), (124, 553882), (217, 316504), (248, 276941), (434, 158252), (868, 79126), (1736, 39563)]