9661780

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{181}}^1$

素因数の和:364

約数の個数: 48

約数和(自身を含む): 21739536

約数和(自身を除く): 12077756

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 157, 170, 181, 314, 340, 362, 628, 724, 785, 905, 1570, 1810, 2669, 3077, 3140, 3620, 5338, 6154, 10676, 12308, 13345, 15385, 26690, 28417, 30770, 53380, 56834, 61540, 113668, 142085, 284170, 483089, 568340, 966178, 1932356, 2415445, 4830890, 9661780]

約数ペア:

[(1, 9661780), (2, 4830890), (4, 2415445), (5, 1932356), (10, 966178), (17, 568340), (20, 483089), (34, 284170), (68, 142085), (85, 113668), (157, 61540), (170, 56834), (181, 53380), (314, 30770), (340, 28417), (362, 26690), (628, 15385), (724, 13345), (785, 12308), (905, 10676), (1570, 6154), (1810, 5338), (2669, 3620), (3077, 3140)]