138403778

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{21673}}^1$

素因数の和:21809

約数の個数: 16

約数和(自身を含む): 216393216

約数和(自身を除く): 77989438

約数列:

[1, 2, 31, 62, 103, 206, 3193, 6386, 21673, 43346, 671863, 1343726, 2232319, 4464638, 69201889, 138403778]

約数ペア:

[(1, 138403778), (2, 69201889), (31, 4464638), (62, 2232319), (103, 1343726), (206, 671863), (3193, 43346), (6386, 21673)]