249968271789

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{43}}^2\times {\mathrm{269}}^1\times {\mathrm{2939}}^1$

素因数の和:3319

約数の個数: 72

約数和(自身を含む): 390692484000

約数和(自身を除く): 140724212211

約数列:

[1, 3, 9, 19, 43, 57, 129, 171, 269, 387, 807, 817, 1849, 2421, 2451, 2939, 5111, 5547, 7353, 8817, 11567, 15333, 16641, 26451, 34701, 35131, 45999, 55841, 104103, 105393, 126377, 167523, 219773, 316179, 379131, 497381, 502569, 659319, 790591, 1137393, 1492143, 1977957, 2371773, 2401163, 4476429, 5434211, 7115319, 7203489, 9450239, 15021229, 16302633, 21610467, 28350717, 33995413, 45063687, 48907899, 85052151, 101986239, 103250009, 135191061, 305958717, 309750027, 645912847, 929250081, 1461802759, 1937738541, 4385408277, 5813215623, 13156224831, 27774252421, 83322757263, 249968271789]

約数ペア:

[(1, 249968271789), (3, 83322757263), (9, 27774252421), (19, 13156224831), (43, 5813215623), (57, 4385408277), (129, 1937738541), (171, 1461802759), (269, 929250081), (387, 645912847), (807, 309750027), (817, 305958717), (1849, 135191061), (2421, 103250009), (2451, 101986239), (2939, 85052151), (5111, 48907899), (5547, 45063687), (7353, 33995413), (8817, 28350717), (11567, 21610467), (15333, 16302633), (16641, 15021229), (26451, 9450239), (34701, 7203489), (35131, 7115319), (45999, 5434211), (55841, 4476429), (104103, 2401163), (105393, 2371773), (126377, 1977957), (167523, 1492143), (219773, 1137393), (316179, 790591), (379131, 659319), (497381, 502569)]