258261745

素因数分解:

$5^1\times 7^1\times {\mathrm{349}}^1\times {\mathrm{21143}}^1$

素因数の和:21504

約数の個数: 16

約数和(自身を含む): 355219200

約数和(自身を除く): 96957455

約数列:

[1, 5, 7, 35, 349, 1745, 2443, 12215, 21143, 105715, 148001, 740005, 7378907, 36894535, 51652349, 258261745]

約数ペア:

[(1, 258261745), (5, 51652349), (7, 36894535), (35, 7378907), (349, 740005), (1745, 148001), (2443, 105715), (12215, 21143)]