138268370

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{251}}^1\times {\mathrm{1777}}^1$

素因数の和:2066

約数の個数: 32

約数和(自身を含む): 258080256

約数和(自身を除く): 119811886

約数列:

[1, 2, 5, 10, 31, 62, 155, 251, 310, 502, 1255, 1777, 2510, 3554, 7781, 8885, 15562, 17770, 38905, 55087, 77810, 110174, 275435, 446027, 550870, 892054, 2230135, 4460270, 13826837, 27653674, 69134185, 138268370]

約数ペア:

[(1, 138268370), (2, 69134185), (5, 27653674), (10, 13826837), (31, 4460270), (62, 2230135), (155, 892054), (251, 550870), (310, 446027), (502, 275435), (1255, 110174), (1777, 77810), (2510, 55087), (3554, 38905), (7781, 17770), (8885, 15562)]