128940904

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{519923}}^1$

素因数の和:519960

約数の個数: 16

約数和(自身を含む): 249563520

約数和(自身を除く): 120622616

約数列:

[1, 2, 4, 8, 31, 62, 124, 248, 519923, 1039846, 2079692, 4159384, 16117613, 32235226, 64470452, 128940904]

約数ペア:

[(1, 128940904), (2, 64470452), (4, 32235226), (8, 16117613), (31, 4159384), (62, 2079692), (124, 1039846), (248, 519923)]