251017746

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{131}}^1\times {\mathrm{1061}}^1$

素因数の和:1247

約数の個数: 64

約数和(自身を含む): 592137216

約数和(自身を除く): 341119470

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 43, 86, 129, 131, 258, 262, 301, 393, 602, 786, 903, 917, 1061, 1806, 1834, 2122, 2751, 3183, 5502, 5633, 6366, 7427, 11266, 14854, 16899, 22281, 33798, 39431, 44562, 45623, 78862, 91246, 118293, 136869, 138991, 236586, 273738, 277982, 319361, 416973, 638722, 833946, 958083, 972937, 1916166, 1945874, 2918811, 5837622, 5976613, 11953226, 17929839, 35859678, 41836291, 83672582, 125508873, 251017746]

約数ペア:

[(1, 251017746), (2, 125508873), (3, 83672582), (6, 41836291), (7, 35859678), (14, 17929839), (21, 11953226), (42, 5976613), (43, 5837622), (86, 2918811), (129, 1945874), (131, 1916166), (258, 972937), (262, 958083), (301, 833946), (393, 638722), (602, 416973), (786, 319361), (903, 277982), (917, 273738), (1061, 236586), (1806, 138991), (1834, 136869), (2122, 118293), (2751, 91246), (3183, 78862), (5502, 45623), (5633, 44562), (6366, 39431), (7427, 33798), (11266, 22281), (14854, 16899)]