8338990

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^2$

素因数の和:145

約数の個数: 48

約数和(自身を含む): 17173296

約数和(自身を除く): 8834306

約数列:

[1, 2, 5, 10, 11, 22, 41, 43, 55, 82, 86, 110, 205, 215, 410, 430, 451, 473, 902, 946, 1763, 1849, 2255, 2365, 3526, 3698, 4510, 4730, 8815, 9245, 17630, 18490, 19393, 20339, 38786, 40678, 75809, 96965, 101695, 151618, 193930, 203390, 379045, 758090, 833899, 1667798, 4169495, 8338990]

約数ペア:

[(1, 8338990), (2, 4169495), (5, 1667798), (10, 833899), (11, 758090), (22, 379045), (41, 203390), (43, 193930), (55, 151618), (82, 101695), (86, 96965), (110, 75809), (205, 40678), (215, 38786), (410, 20339), (430, 19393), (451, 18490), (473, 17630), (902, 9245), (946, 8815), (1763, 4730), (1849, 4510), (2255, 3698), (2365, 3526)]