7386421

素因数分解:

$7^1\times {\mathrm{19}}^2\times {\mathrm{37}}^1\times {\mathrm{79}}^1$

素因数の和:161

約数の個数: 24

約数和(自身を含む): 9265920

約数和(自身を除く): 1879499

約数列:

[1, 7, 19, 37, 79, 133, 259, 361, 553, 703, 1501, 2527, 2923, 4921, 10507, 13357, 20461, 28519, 55537, 93499, 199633, 388759, 1055203, 7386421]

約数ペア:

[(1, 7386421), (7, 1055203), (19, 388759), (37, 199633), (79, 93499), (133, 55537), (259, 28519), (361, 20461), (553, 13357), (703, 10507), (1501, 4921), (2527, 2923)]