199995938

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{78553}}^1$

素因数の和:78641

約数の個数: 16

約数和(自身を含む): 320500320

約数和(自身を除く): 120504382

約数列:

[1, 2, 19, 38, 67, 134, 1273, 2546, 78553, 157106, 1492507, 2985014, 5263051, 10526102, 99997969, 199995938]

約数ペア:

[(1, 199995938), (2, 99997969), (19, 10526102), (38, 5263051), (67, 2985014), (134, 1492507), (1273, 157106), (2546, 78553)]