1286408128

素因数分解:

$2^6\times {\mathrm{41}}^1\times {\mathrm{490247}}^1$

素因数の和:490300

約数の個数: 28

約数和(自身を含む): 2614982832

約数和(自身を除く): 1328574704

約数列:

[1, 2, 4, 8, 16, 32, 41, 64, 82, 164, 328, 656, 1312, 2624, 490247, 980494, 1960988, 3921976, 7843952, 15687904, 20100127, 31375808, 40200254, 80400508, 160801016, 321602032, 643204064, 1286408128]

約数ペア:

[(1, 1286408128), (2, 643204064), (4, 321602032), (8, 160801016), (16, 80400508), (32, 40200254), (41, 31375808), (64, 20100127), (82, 15687904), (164, 7843952), (328, 3921976), (656, 1960988), (1312, 980494), (2624, 490247)]