780624215

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{28631}}^1$

素因数の和:28703

約数の個数: 32

約数和(自身を含む): 1154442240

約数和(自身を除く): 373818025

約数列:

[1, 5, 7, 19, 35, 41, 95, 133, 205, 287, 665, 779, 1435, 3895, 5453, 27265, 28631, 143155, 200417, 543989, 1002085, 1173871, 2719945, 3807923, 5869355, 8217097, 19039615, 22303549, 41085485, 111517745, 156124843, 780624215]

約数ペア:

[(1, 780624215), (5, 156124843), (7, 111517745), (19, 41085485), (35, 22303549), (41, 19039615), (95, 8217097), (133, 5869355), (205, 3807923), (287, 2719945), (665, 1173871), (779, 1002085), (1435, 543989), (3895, 200417), (5453, 143155), (27265, 28631)]