81963722

素因数分解:

$2^1\times {\mathrm{101}}^1\times {\mathrm{199}}^1\times {\mathrm{2039}}^1$

素因数の和:2341

約数の個数: 16

約数和(自身を含む): 124848000

約数和(自身を除く): 42884278

約数列:

[1, 2, 101, 199, 202, 398, 2039, 4078, 20099, 40198, 205939, 405761, 411878, 811522, 40981861, 81963722]

約数ペア:

[(1, 81963722), (2, 40981861), (101, 811522), (199, 411878), (202, 405761), (398, 205939), (2039, 40198), (4078, 20099)]