289105628

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{333071}}^1$

素因数の和:333113

約数の個数: 24

約数和(自身を含む): 596865024

約数和(自身を除く): 307759396

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 217, 434, 868, 333071, 666142, 1332284, 2331497, 4662994, 9325988, 10325201, 20650402, 41300804, 72276407, 144552814, 289105628]

約数ペア:

[(1, 289105628), (2, 144552814), (4, 72276407), (7, 41300804), (14, 20650402), (28, 10325201), (31, 9325988), (62, 4662994), (124, 2331497), (217, 1332284), (434, 666142), (868, 333071)]