28186636

素因数分解:

$2^2\times {\mathrm{61}}^1\times {\mathrm{331}}^1\times {\mathrm{349}}^1$

素因数の和:745

約数の個数: 24

約数和(自身を含む): 50430800

約数和(自身を除く): 22244164

約数列:

[1, 2, 4, 61, 122, 244, 331, 349, 662, 698, 1324, 1396, 20191, 21289, 40382, 42578, 80764, 85156, 115519, 231038, 462076, 7046659, 14093318, 28186636]

約数ペア:

[(1, 28186636), (2, 14093318), (4, 7046659), (61, 462076), (122, 231038), (244, 115519), (331, 85156), (349, 80764), (662, 42578), (698, 40382), (1324, 21289), (1396, 20191)]