72071755

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{1361}}^1$

素因数の和:1479

約数の個数: 32

約数和(自身を含む): 105909120

約数和(自身を除く): 33837365

約数列:

[1, 5, 7, 17, 35, 85, 89, 119, 445, 595, 623, 1361, 1513, 3115, 6805, 7565, 9527, 10591, 23137, 47635, 52955, 115685, 121129, 161959, 605645, 809795, 847903, 2059193, 4239515, 10295965, 14414351, 72071755]

約数ペア:

[(1, 72071755), (5, 14414351), (7, 10295965), (17, 4239515), (35, 2059193), (85, 847903), (89, 809795), (119, 605645), (445, 161959), (595, 121129), (623, 115685), (1361, 52955), (1513, 47635), (3115, 23137), (6805, 10591), (7565, 9527)]