127780624

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{420331}}^1$

素因数の和:420358

約数の個数: 20

約数和(自身を含む): 260605840

約数和(自身を除く): 132825216

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 420331, 840662, 1681324, 3362648, 6725296, 7986289, 15972578, 31945156, 63890312, 127780624]

約数ペア:

[(1, 127780624), (2, 63890312), (4, 31945156), (8, 15972578), (16, 7986289), (19, 6725296), (38, 3362648), (76, 1681324), (152, 840662), (304, 420331)]