208088741

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{397}}^1\times {\mathrm{563}}^1$

素因数の和:993

約数の個数: 24

約数和(自身を含む): 255898080

約数和(自身を除く): 47809339

約数列:

[1, 7, 19, 49, 133, 397, 563, 931, 2779, 3941, 7543, 10697, 19453, 27587, 52801, 74879, 223511, 369607, 524153, 1564577, 4246709, 10952039, 29726963, 208088741]

約数ペア:

[(1, 208088741), (7, 29726963), (19, 10952039), (49, 4246709), (133, 1564577), (397, 524153), (563, 369607), (931, 223511), (2779, 74879), (3941, 52801), (7543, 27587), (10697, 19453)]