26245388

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1\times {\mathrm{107}}^1$

素因数の和:266

約数の個数: 48

約数和(自身を含む): 51438240

約数和(自身を除く): 25192852

約数列:

[1, 2, 4, 13, 26, 52, 53, 89, 106, 107, 178, 212, 214, 356, 428, 689, 1157, 1378, 1391, 2314, 2756, 2782, 4628, 4717, 5564, 5671, 9434, 9523, 11342, 18868, 19046, 22684, 38092, 61321, 73723, 122642, 123799, 147446, 245284, 247598, 294892, 495196, 504719, 1009438, 2018876, 6561347, 13122694, 26245388]

約数ペア:

[(1, 26245388), (2, 13122694), (4, 6561347), (13, 2018876), (26, 1009438), (52, 504719), (53, 495196), (89, 294892), (106, 247598), (107, 245284), (178, 147446), (212, 123799), (214, 122642), (356, 73723), (428, 61321), (689, 38092), (1157, 22684), (1378, 19046), (1391, 18868), (2314, 11342), (2756, 9523), (2782, 9434), (4628, 5671), (4717, 5564)]