123721274

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{191519}}^1$

素因数の和:191557

約数の個数: 16

約数和(自身を含む): 206841600

約数和(自身を除く): 83120326

約数列:

[1, 2, 17, 19, 34, 38, 323, 646, 191519, 383038, 3255823, 3638861, 6511646, 7277722, 61860637, 123721274]

約数ペア:

[(1, 123721274), (2, 61860637), (17, 7277722), (19, 6511646), (34, 3638861), (38, 3255823), (323, 383038), (646, 191519)]