64769008

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{2003}}^1$

素因数の和:2101

約数の個数: 40

約数和(自身を含む): 131205888

約数和(自身を除く): 66436880

約数列:

[1, 2, 4, 8, 16, 43, 47, 86, 94, 172, 188, 344, 376, 688, 752, 2003, 2021, 4006, 4042, 8012, 8084, 16024, 16168, 32048, 32336, 86129, 94141, 172258, 188282, 344516, 376564, 689032, 753128, 1378064, 1506256, 4048063, 8096126, 16192252, 32384504, 64769008]

約数ペア:

[(1, 64769008), (2, 32384504), (4, 16192252), (8, 8096126), (16, 4048063), (43, 1506256), (47, 1378064), (86, 753128), (94, 689032), (172, 376564), (188, 344516), (344, 188282), (376, 172258), (688, 94141), (752, 86129), (2003, 32336), (2021, 32048), (4006, 16168), (4042, 16024), (8012, 8084)]