720570079

素因数分解:

${\mathrm{19}}^2\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{739}}^1$

素因数の和:887

約数の個数: 24

約数和(自身を含む): 792815280

約数和(自身を除く): 72245201

約数列:

[1, 19, 37, 73, 361, 703, 739, 1387, 2701, 13357, 14041, 26353, 27343, 51319, 53947, 266779, 519517, 975061, 1024993, 1996039, 9870823, 19474867, 37924741, 720570079]

約数ペア:

[(1, 720570079), (19, 37924741), (37, 19474867), (73, 9870823), (361, 1996039), (703, 1024993), (739, 975061), (1387, 519517), (2701, 266779), (13357, 53947), (14041, 51319), (26353, 27343)]