9881615

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1$

素因数の和:167

約数の個数: 32

約数和(自身を含む): 13305600

約数和(自身を除く): 3423985

約数列:

[1, 5, 19, 41, 43, 59, 95, 205, 215, 295, 779, 817, 1121, 1763, 2419, 2537, 3895, 4085, 5605, 8815, 12095, 12685, 33497, 45961, 48203, 104017, 167485, 229805, 241015, 520085, 1976323, 9881615]

約数ペア:

[(1, 9881615), (5, 1976323), (19, 520085), (41, 241015), (43, 229805), (59, 167485), (95, 104017), (205, 48203), (215, 45961), (295, 33497), (779, 12685), (817, 12095), (1121, 8815), (1763, 5605), (2419, 4085), (2537, 3895)]