3985345

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{461}}^1$

素因数の和:505

約数の個数: 32

約数和(自身を含む): 6209280

約数和(自身を除く): 2223935

約数列:

[1, 5, 7, 13, 19, 35, 65, 91, 95, 133, 247, 455, 461, 665, 1235, 1729, 2305, 3227, 5993, 8645, 8759, 16135, 29965, 41951, 43795, 61313, 113867, 209755, 306565, 569335, 797069, 3985345]

約数ペア:

[(1, 3985345), (5, 797069), (7, 569335), (13, 306565), (19, 209755), (35, 113867), (65, 61313), (91, 43795), (95, 41951), (133, 29965), (247, 16135), (455, 8759), (461, 8645), (665, 5993), (1235, 3227), (1729, 2305)]