389935286

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{191}}^1\times {\mathrm{233}}^1\times {\mathrm{337}}^1$

素因数の和:776

約数の個数: 32

約数和(自身を含む): 637797888

約数和(自身を除く): 247862602

約数列:

[1, 2, 13, 26, 191, 233, 337, 382, 466, 674, 2483, 3029, 4381, 4966, 6058, 8762, 44503, 64367, 78521, 89006, 128734, 157042, 578539, 836771, 1020773, 1157078, 1673542, 2041546, 14997511, 29995022, 194967643, 389935286]

約数ペア:

[(1, 389935286), (2, 194967643), (13, 29995022), (26, 14997511), (191, 2041546), (233, 1673542), (337, 1157078), (382, 1020773), (466, 836771), (674, 578539), (2483, 157042), (3029, 128734), (4381, 89006), (4966, 78521), (6058, 64367), (8762, 44503)]