991618568

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{99881}}^1$

素因数の和:99977

約数の個数: 32

約数和(自身を含む): 1995642360

約数和(自身を除く): 1004023792

約数列:

[1, 2, 4, 8, 17, 34, 68, 73, 136, 146, 292, 584, 1241, 2482, 4964, 9928, 99881, 199762, 399524, 799048, 1697977, 3395954, 6791908, 7291313, 13583816, 14582626, 29165252, 58330504, 123952321, 247904642, 495809284, 991618568]

約数ペア:

[(1, 991618568), (2, 495809284), (4, 247904642), (8, 123952321), (17, 58330504), (34, 29165252), (68, 14582626), (73, 13583816), (136, 7291313), (146, 6791908), (292, 3395954), (584, 1697977), (1241, 799048), (2482, 399524), (4964, 199762), (9928, 99881)]