7774260

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{9967}}^1$

素因数の和:9992

約数の個数: 48

約数和(自身を含む): 23444736

約数和(自身を除く): 15670476

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 9967, 19934, 29901, 39868, 49835, 59802, 99670, 119604, 129571, 149505, 199340, 259142, 299010, 388713, 518284, 598020, 647855, 777426, 1295710, 1554852, 1943565, 2591420, 3887130, 7774260]

約数ペア:

[(1, 7774260), (2, 3887130), (3, 2591420), (4, 1943565), (5, 1554852), (6, 1295710), (10, 777426), (12, 647855), (13, 598020), (15, 518284), (20, 388713), (26, 299010), (30, 259142), (39, 199340), (52, 149505), (60, 129571), (65, 119604), (78, 99670), (130, 59802), (156, 49835), (195, 39868), (260, 29901), (390, 19934), (780, 9967)]