84178288

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{309479}}^1$

素因数の和:309504

約数の個数: 20

約数和(自身を含む): 172689840

約数和(自身を除く): 88511552

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 309479, 618958, 1237916, 2475832, 4951664, 5261143, 10522286, 21044572, 42089144, 84178288]

約数ペア:

[(1, 84178288), (2, 42089144), (4, 21044572), (8, 10522286), (16, 5261143), (17, 4951664), (34, 2475832), (68, 1237916), (136, 618958), (272, 309479)]