209513678

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{401}}^1$

素因数の和:569

約数の個数: 48

約数和(自身を含む): 369556992

約数和(自身を除く): 160043314

約数列:

[1, 2, 11, 17, 22, 34, 121, 127, 187, 242, 254, 374, 401, 802, 1397, 2057, 2159, 2794, 4114, 4318, 4411, 6817, 8822, 13634, 15367, 23749, 30734, 47498, 48521, 50927, 74987, 97042, 101854, 149974, 261239, 522478, 560197, 824857, 865759, 1120394, 1649714, 1731518, 6162167, 9523349, 12324334, 19046698, 104756839, 209513678]

約数ペア:

[(1, 209513678), (2, 104756839), (11, 19046698), (17, 12324334), (22, 9523349), (34, 6162167), (121, 1731518), (127, 1649714), (187, 1120394), (242, 865759), (254, 824857), (374, 560197), (401, 522478), (802, 261239), (1397, 149974), (2057, 101854), (2159, 97042), (2794, 74987), (4114, 50927), (4318, 48521), (4411, 47498), (6817, 30734), (8822, 23749), (13634, 15367)]