258791884

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{167}}^1\times {\mathrm{1753}}^1$

素因数の和:1954

約数の個数: 48

約数和(自身を含む): 519801408

約数和(自身を除く): 261009524

約数列:

[1, 2, 4, 13, 17, 26, 34, 52, 68, 167, 221, 334, 442, 668, 884, 1753, 2171, 2839, 3506, 4342, 5678, 7012, 8684, 11356, 22789, 29801, 36907, 45578, 59602, 73814, 91156, 119204, 147628, 292751, 387413, 585502, 774826, 1171004, 1549652, 3805763, 4976767, 7611526, 9953534, 15223052, 19907068, 64697971, 129395942, 258791884]

約数ペア:

[(1, 258791884), (2, 129395942), (4, 64697971), (13, 19907068), (17, 15223052), (26, 9953534), (34, 7611526), (52, 4976767), (68, 3805763), (167, 1549652), (221, 1171004), (334, 774826), (442, 585502), (668, 387413), (884, 292751), (1753, 147628), (2171, 119204), (2839, 91156), (3506, 73814), (4342, 59602), (5678, 45578), (7012, 36907), (8684, 29801), (11356, 22789)]