25891316

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{103}}^1\times {\mathrm{197}}^1$

素因数の和:344

約数の個数: 48

約数和(自身を含む): 51891840

約数和(自身を除く): 26000524

約数列:

[1, 2, 4, 11, 22, 29, 44, 58, 103, 116, 197, 206, 319, 394, 412, 638, 788, 1133, 1276, 2167, 2266, 2987, 4334, 4532, 5713, 5974, 8668, 11426, 11948, 20291, 22852, 32857, 40582, 62843, 65714, 81164, 125686, 131428, 223201, 251372, 446402, 588439, 892804, 1176878, 2353756, 6472829, 12945658, 25891316]

約数ペア:

[(1, 25891316), (2, 12945658), (4, 6472829), (11, 2353756), (22, 1176878), (29, 892804), (44, 588439), (58, 446402), (103, 251372), (116, 223201), (197, 131428), (206, 125686), (319, 81164), (394, 65714), (412, 62843), (638, 40582), (788, 32857), (1133, 22852), (1276, 20291), (2167, 11948), (2266, 11426), (2987, 8668), (4334, 5974), (4532, 5713)]