420031495

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{4271}}^1$

素因数の和:4395

約数の個数: 32

約数和(自身を含む): 581333760

約数和(自身を除く): 161302265

約数列:

[1, 5, 13, 17, 65, 85, 89, 221, 445, 1105, 1157, 1513, 4271, 5785, 7565, 19669, 21355, 55523, 72607, 98345, 277615, 363035, 380119, 943891, 1900595, 4719455, 4941547, 6462023, 24707735, 32310115, 84006299, 420031495]

約数ペア:

[(1, 420031495), (5, 84006299), (13, 32310115), (17, 24707735), (65, 6462023), (85, 4941547), (89, 4719455), (221, 1900595), (445, 943891), (1105, 380119), (1157, 363035), (1513, 277615), (4271, 98345), (5785, 72607), (7565, 55523), (19669, 21355)]