260981656

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{389}}^1\times {\mathrm{6451}}^1$

素因数の和:6859

約数の個数: 32

約数和(自身を含む): 528418800

約数和(自身を除く): 267437144

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 389, 778, 1556, 3112, 5057, 6451, 10114, 12902, 20228, 25804, 40456, 51608, 83863, 167726, 335452, 670904, 2509439, 5018878, 10037756, 20075512, 32622707, 65245414, 130490828, 260981656]

約数ペア:

[(1, 260981656), (2, 130490828), (4, 65245414), (8, 32622707), (13, 20075512), (26, 10037756), (52, 5018878), (104, 2509439), (389, 670904), (778, 335452), (1556, 167726), (3112, 83863), (5057, 51608), (6451, 40456), (10114, 25804), (12902, 20228)]