198742457

素因数分解:

${\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{271}}^1\times {\mathrm{577}}^1$

素因数の和:920

約数の個数: 16

約数和(自身を含む): 211298304

約数和(自身を除く): 12555847

約数列:

[1, 31, 41, 271, 577, 1271, 8401, 11111, 17887, 23657, 156367, 344441, 733367, 4847377, 6411047, 198742457]

約数ペア:

[(1, 198742457), (31, 6411047), (41, 4847377), (271, 733367), (577, 344441), (1271, 156367), (8401, 23657), (11111, 17887)]