64897432

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{3433}}^1$

素因数の和:3595

約数の個数: 32

約数和(自身を含む): 129805200

約数和(自身を除く): 64907768

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 139, 278, 556, 1112, 2363, 3433, 4726, 6866, 9452, 13732, 18904, 27464, 58361, 116722, 233444, 466888, 477187, 954374, 1908748, 3817496, 8112179, 16224358, 32448716, 64897432]

約数ペア:

[(1, 64897432), (2, 32448716), (4, 16224358), (8, 8112179), (17, 3817496), (34, 1908748), (68, 954374), (136, 477187), (139, 466888), (278, 233444), (556, 116722), (1112, 58361), (2363, 27464), (3433, 18904), (4726, 13732), (6866, 9452)]