2920991008

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{68171}}^1$

素因数の和:68297

約数の個数: 48

約数和(自身を含む): 6253281216

約数和(自身を除く): 3332290208

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 103, 104, 206, 208, 412, 416, 824, 1339, 1648, 2678, 3296, 5356, 10712, 21424, 42848, 68171, 136342, 272684, 545368, 886223, 1090736, 1772446, 2181472, 3544892, 7021613, 7089784, 14043226, 14179568, 28086452, 28359136, 56172904, 91280969, 112345808, 182561938, 224691616, 365123876, 730247752, 1460495504, 2920991008]

約数ペア:

[(1, 2920991008), (2, 1460495504), (4, 730247752), (8, 365123876), (13, 224691616), (16, 182561938), (26, 112345808), (32, 91280969), (52, 56172904), (103, 28359136), (104, 28086452), (206, 14179568), (208, 14043226), (412, 7089784), (416, 7021613), (824, 3544892), (1339, 2181472), (1648, 1772446), (2678, 1090736), (3296, 886223), (5356, 545368), (10712, 272684), (21424, 136342), (42848, 68171)]