216859312

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{713353}}^1$

素因数の和:713380

約数の個数: 20

約数和(自身を含む): 442279480

約数和(自身を除く): 225420168

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 713353, 1426706, 2853412, 5706824, 11413648, 13553707, 27107414, 54214828, 108429656, 216859312]

約数ペア:

[(1, 216859312), (2, 108429656), (4, 54214828), (8, 27107414), (16, 13553707), (19, 11413648), (38, 5706824), (76, 2853412), (152, 1426706), (304, 713353)]