426603989

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{131}}^1\times {\mathrm{349}}^1$

素因数の和:561

約数の個数: 32

約数和(自身を含む): 520396800

約数和(自身を除く): 93792811

約数列:

[1, 7, 31, 43, 131, 217, 301, 349, 917, 1333, 2443, 4061, 5633, 9331, 10819, 15007, 28427, 39431, 45719, 75733, 105049, 174623, 320033, 465217, 1222361, 1417289, 1965917, 3256519, 9921023, 13761419, 60943427, 426603989]

約数ペア:

[(1, 426603989), (7, 60943427), (31, 13761419), (43, 9921023), (131, 3256519), (217, 1965917), (301, 1417289), (349, 1222361), (917, 465217), (1333, 320033), (2443, 174623), (4061, 105049), (5633, 75733), (9331, 45719), (10819, 39431), (15007, 28427)]