201921628

素因数分解:

$2^2\times {\mathrm{109}}^1\times {\mathrm{349}}^1\times {\mathrm{1327}}^1$

素因数の和:1789

約数の個数: 24

約数和(自身を含む): 357896000

約数和(自身を除く): 155974372

約数列:

[1, 2, 4, 109, 218, 349, 436, 698, 1327, 1396, 2654, 5308, 38041, 76082, 144643, 152164, 289286, 463123, 578572, 926246, 1852492, 50480407, 100960814, 201921628]

約数ペア:

[(1, 201921628), (2, 100960814), (4, 50480407), (109, 1852492), (218, 926246), (349, 578572), (436, 463123), (698, 289286), (1327, 152164), (1396, 144643), (2654, 76082), (5308, 38041)]