1388653

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{197}}^1$

素因数の和:276

約数の個数: 16

約数和(自身を含む): 1710720

約数和(自身を除く): 322067

約数列:

[1, 7, 19, 53, 133, 197, 371, 1007, 1379, 3743, 7049, 10441, 26201, 73087, 198379, 1388653]

約数ペア:

[(1, 1388653), (7, 198379), (19, 73087), (53, 26201), (133, 10441), (197, 7049), (371, 3743), (1007, 1379)]