69901559

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{349}}^1$

素因数の和:471

約数の個数: 32

約数和(自身を含む): 90316800

約数和(自身を除く): 20415241

約数列:

[1, 7, 13, 31, 71, 91, 217, 349, 403, 497, 923, 2201, 2443, 2821, 4537, 6461, 10819, 15407, 24779, 28613, 31759, 75733, 140647, 173453, 200291, 322127, 768149, 984529, 2254889, 5377043, 9985937, 69901559]

約数ペア:

[(1, 69901559), (7, 9985937), (13, 5377043), (31, 2254889), (71, 984529), (91, 768149), (217, 322127), (349, 200291), (403, 173453), (497, 140647), (923, 75733), (2201, 31759), (2443, 28613), (2821, 24779), (4537, 15407), (6461, 10819)]