64405998

素因数分解:

$2^1\times 3^2\times {\mathrm{41}}^1\times {\mathrm{197}}^1\times {\mathrm{443}}^1$

素因数の和:689

約数の個数: 48

約数和(自身を含む): 143999856

約数和(自身を除く): 79593858

約数列:

[1, 2, 3, 6, 9, 18, 41, 82, 123, 197, 246, 369, 394, 443, 591, 738, 886, 1182, 1329, 1773, 2658, 3546, 3987, 7974, 8077, 16154, 18163, 24231, 36326, 48462, 54489, 72693, 87271, 108978, 145386, 163467, 174542, 261813, 326934, 523626, 785439, 1570878, 3578111, 7156222, 10734333, 21468666, 32202999, 64405998]

約数ペア:

[(1, 64405998), (2, 32202999), (3, 21468666), (6, 10734333), (9, 7156222), (18, 3578111), (41, 1570878), (82, 785439), (123, 523626), (197, 326934), (246, 261813), (369, 174542), (394, 163467), (443, 145386), (591, 108978), (738, 87271), (886, 72693), (1182, 54489), (1329, 48462), (1773, 36326), (2658, 24231), (3546, 18163), (3987, 16154), (7974, 8077)]