7389005

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{193}}^1$

素因数の和:261

約数の個数: 32

約数和(自身を含む): 10429440

約数和(自身を除く): 3040435

約数列:

[1, 5, 13, 19, 31, 65, 95, 155, 193, 247, 403, 589, 965, 1235, 2015, 2509, 2945, 3667, 5983, 7657, 12545, 18335, 29915, 38285, 47671, 77779, 113677, 238355, 388895, 568385, 1477801, 7389005]

約数ペア:

[(1, 7389005), (5, 1477801), (13, 568385), (19, 388895), (31, 238355), (65, 113677), (95, 77779), (155, 47671), (193, 38285), (247, 29915), (403, 18335), (589, 12545), (965, 7657), (1235, 5983), (2015, 3667), (2509, 2945)]