201219388

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{18233}}^1$

素因数の和:18357

約数の個数: 24

約数和(自身を含む): 367597440

約数和(自身を除く): 166378052

約数列:

[1, 2, 4, 31, 62, 89, 124, 178, 356, 2759, 5518, 11036, 18233, 36466, 72932, 565223, 1130446, 1622737, 2260892, 3245474, 6490948, 50304847, 100609694, 201219388]

約数ペア:

[(1, 201219388), (2, 100609694), (4, 50304847), (31, 6490948), (62, 3245474), (89, 2260892), (124, 1622737), (178, 1130446), (356, 565223), (2759, 72932), (5518, 36466), (11036, 18233)]