1388891198

素因数分解:

$2^1\times {\mathrm{101}}^1\times {\mathrm{409}}^1\times {\mathrm{16811}}^1$

素因数の和:17323

約数の個数: 16

約数和(自身を含む): 2109233520

約数和(自身を除く): 720342322

約数列:

[1, 2, 101, 202, 409, 818, 16811, 33622, 41309, 82618, 1697911, 3395822, 6875699, 13751398, 694445599, 1388891198]

約数ペア:

[(1, 1388891198), (2, 694445599), (101, 13751398), (202, 6875699), (409, 3395822), (818, 1697911), (16811, 82618), (33622, 41309)]