26885215

素因数分解:

$5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{349}}^1$

素因数の和:463

約数の個数: 32

約数和(自身を含む): 38707200

約数和(自身を除く): 11821985

約数列:

[1, 5, 7, 31, 35, 71, 155, 217, 349, 355, 497, 1085, 1745, 2201, 2443, 2485, 10819, 11005, 12215, 15407, 24779, 54095, 75733, 77035, 123895, 173453, 378665, 768149, 867265, 3840745, 5377043, 26885215]

約数ペア:

[(1, 26885215), (5, 5377043), (7, 3840745), (31, 867265), (35, 768149), (71, 378665), (155, 173453), (217, 123895), (349, 77035), (355, 75733), (497, 54095), (1085, 24779), (1745, 15407), (2201, 12215), (2443, 11005), (2485, 10819)]