15972222

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{380291}}^1$

素因数の和:380303

約数の個数: 16

約数和(自身を含む): 36508032

約数和(自身を除く): 20535810

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 380291, 760582, 1140873, 2281746, 2662037, 5324074, 7986111, 15972222]

約数ペア:

[(1, 15972222), (2, 7986111), (3, 5324074), (6, 2662037), (7, 2281746), (14, 1140873), (21, 760582), (42, 380291)]