138889438198

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{13913989}}^1$

素因数の和:13914052

約数の個数: 32

約数和(自身を含む): 256462663680

約数和(自身を除く): 117573225482

約数列:

[1, 2, 7, 14, 23, 31, 46, 62, 161, 217, 322, 434, 713, 1426, 4991, 9982, 13913989, 27827978, 97397923, 194795846, 320021747, 431333659, 640043494, 862667318, 2240152229, 3019335613, 4480304458, 6038671226, 9920674157, 19841348314, 69444719099, 138889438198]

約数ペア:

[(1, 138889438198), (2, 69444719099), (7, 19841348314), (14, 9920674157), (23, 6038671226), (31, 4480304458), (46, 3019335613), (62, 2240152229), (161, 862667318), (217, 640043494), (322, 431333659), (434, 320021747), (713, 194795846), (1426, 97397923), (4991, 27827978), (9982, 13913989)]