80971312

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{266353}}^1$

素因数の和:266380

約数の個数: 20

約数和(自身を含む): 165139480

約数和(自身を除く): 84168168

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 266353, 532706, 1065412, 2130824, 4261648, 5060707, 10121414, 20242828, 40485656, 80971312]

約数ペア:

[(1, 80971312), (2, 40485656), (4, 20242828), (8, 10121414), (16, 5060707), (19, 4261648), (38, 2130824), (76, 1065412), (152, 532706), (304, 266353)]