331318208

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{398219}}^1$

素因数の和:398244

約数の個数: 28

約数和(自身を含む): 708035160

約数和(自身を除く): 376716952

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 208, 416, 832, 398219, 796438, 1592876, 3185752, 5176847, 6371504, 10353694, 12743008, 20707388, 25486016, 41414776, 82829552, 165659104, 331318208]

約数ペア:

[(1, 331318208), (2, 165659104), (4, 82829552), (8, 41414776), (13, 25486016), (16, 20707388), (26, 12743008), (32, 10353694), (52, 6371504), (64, 5176847), (104, 3185752), (208, 1592876), (416, 796438), (832, 398219)]