155781808

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{106993}}^1$

素因数の和:107021

約数の個数: 40

約数和(自身を含む): 371483168

約数和(自身を除く): 215701360

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 728, 1456, 106993, 213986, 427972, 748951, 855944, 1390909, 1497902, 1711888, 2781818, 2995804, 5563636, 5991608, 9736363, 11127272, 11983216, 19472726, 22254544, 38945452, 77890904, 155781808]

約数ペア:

[(1, 155781808), (2, 77890904), (4, 38945452), (7, 22254544), (8, 19472726), (13, 11983216), (14, 11127272), (16, 9736363), (26, 5991608), (28, 5563636), (52, 2995804), (56, 2781818), (91, 1711888), (104, 1497902), (112, 1390909), (182, 855944), (208, 748951), (364, 427972), (728, 213986), (1456, 106993)]