1639249914

素因数分解:

$2^1\times 3^1\times {\mathrm{409}}^1\times {\mathrm{667991}}^1$

素因数の和:668405

約数の個数: 16

約数和(自身を含む): 3286520640

約数和(自身を除く): 1647270726

約数列:

[1, 2, 3, 6, 409, 818, 1227, 2454, 667991, 1335982, 2003973, 4007946, 273208319, 546416638, 819624957, 1639249914]

約数ペア:

[(1, 1639249914), (2, 819624957), (3, 546416638), (6, 273208319), (409, 4007946), (818, 2003973), (1227, 1335982), (2454, 667991)]