1991246210

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{167}}^1\times {\mathrm{70139}}^1$

素因数の和:70330

約数の個数: 32

約数和(自身を含む): 3817860480

約数和(自身を除く): 1826614270

約数列:

[1, 2, 5, 10, 17, 34, 85, 167, 170, 334, 835, 1670, 2839, 5678, 14195, 28390, 70139, 140278, 350695, 701390, 1192363, 2384726, 5961815, 11713213, 11923630, 23426426, 58566065, 117132130, 199124621, 398249242, 995623105, 1991246210]

約数ペア:

[(1, 1991246210), (2, 995623105), (5, 398249242), (10, 199124621), (17, 117132130), (34, 58566065), (85, 23426426), (167, 11923630), (170, 11713213), (334, 5961815), (835, 2384726), (1670, 1192363), (2839, 701390), (5678, 350695), (14195, 140278), (28390, 70139)]