420474782

素因数分解:

$2^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{47149}}^1$

素因数の和:47185

約数の個数: 32

約数和(自身を含む): 792120000

約数和(自身を除く): 371645218

約数列:

[1, 2, 7, 13, 14, 26, 49, 91, 98, 182, 343, 637, 686, 1274, 4459, 8918, 47149, 94298, 330043, 612937, 660086, 1225874, 2310301, 4290559, 4620602, 8581118, 16172107, 30033913, 32344214, 60067826, 210237391, 420474782]

約数ペア:

[(1, 420474782), (2, 210237391), (7, 60067826), (13, 32344214), (14, 30033913), (26, 16172107), (49, 8581118), (91, 4620602), (98, 4290559), (182, 2310301), (343, 1225874), (637, 660086), (686, 612937), (1274, 330043), (4459, 94298), (8918, 47149)]