127659868

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{269}}^1\times {\mathrm{997}}^1$

素因数の和:1294

約数の個数: 48

約数和(自身を含む): 271615680

約数和(自身を除く): 143955812

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 119, 238, 269, 476, 538, 997, 1076, 1883, 1994, 3766, 3988, 4573, 6979, 7532, 9146, 13958, 16949, 18292, 27916, 32011, 33898, 64022, 67796, 118643, 128044, 237286, 268193, 474572, 536386, 1072772, 1877351, 3754702, 4559281, 7509404, 9118562, 18237124, 31914967, 63829934, 127659868]

約数ペア:

[(1, 127659868), (2, 63829934), (4, 31914967), (7, 18237124), (14, 9118562), (17, 7509404), (28, 4559281), (34, 3754702), (68, 1877351), (119, 1072772), (238, 536386), (269, 474572), (476, 268193), (538, 237286), (997, 128044), (1076, 118643), (1883, 67796), (1994, 64022), (3766, 33898), (3988, 32011), (4573, 27916), (6979, 18292), (7532, 16949), (9146, 13958)]