198642745

素因数分解:

$5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{138427}}^1$

素因数の和:138480

約数の個数: 16

約数和(自身を含む): 279070848

約数和(自身を除く): 80428103

約数列:

[1, 5, 7, 35, 41, 205, 287, 1435, 138427, 692135, 968989, 4844945, 5675507, 28377535, 39728549, 198642745]

約数ペア:

[(1, 198642745), (5, 39728549), (7, 28377535), (35, 5675507), (41, 4844945), (205, 968989), (287, 692135), (1435, 138427)]