28309018

素因数分解:

$2^1\times {\mathrm{79}}^1\times {\mathrm{139}}^1\times {\mathrm{1289}}^1$

素因数の和:1509

約数の個数: 16

約数和(自身を含む): 43344000

約数和(自身を除く): 15034982

約数列:

[1, 2, 79, 139, 158, 278, 1289, 2578, 10981, 21962, 101831, 179171, 203662, 358342, 14154509, 28309018]

約数ペア:

[(1, 28309018), (2, 14154509), (79, 358342), (139, 203662), (158, 179171), (278, 101831), (1289, 21962), (2578, 10981)]