42520205

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{827}}^1$

素因数の和:965

約数の個数: 32

約数和(自身を含む): 63431424

約数和(自身を除く): 20911219

約数列:

[1, 5, 7, 13, 35, 65, 91, 113, 455, 565, 791, 827, 1469, 3955, 4135, 5789, 7345, 10283, 10751, 28945, 51415, 53755, 75257, 93451, 376285, 467255, 654157, 1214863, 3270785, 6074315, 8504041, 42520205]

約数ペア:

[(1, 42520205), (5, 8504041), (7, 6074315), (13, 3270785), (35, 1214863), (65, 654157), (91, 467255), (113, 376285), (455, 93451), (565, 75257), (791, 53755), (827, 51415), (1469, 28945), (3955, 10751), (4135, 10283), (5789, 7345)]