947399215

素因数分解:

$5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{9811}}^1$

素因数の和:9943

約数の個数: 32

約数和(自身を含む): 1356410880

約数和(自身を除く): 409011665

約数列:

[1, 5, 7, 31, 35, 89, 155, 217, 445, 623, 1085, 2759, 3115, 9811, 13795, 19313, 49055, 68677, 96565, 304141, 343385, 873179, 1520705, 2128987, 4365895, 6112253, 10644935, 27068549, 30561265, 135342745, 189479843, 947399215]

約数ペア:

[(1, 947399215), (5, 189479843), (7, 135342745), (31, 30561265), (35, 27068549), (89, 10644935), (155, 6112253), (217, 4365895), (445, 2128987), (623, 1520705), (1085, 873179), (2759, 343385), (3115, 304141), (9811, 96565), (13795, 68677), (19313, 49055)]