28637455

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{74383}}^1$

素因数の和:74406

約数の個数: 16

約数和(自身を含む): 42845184

約数和(自身を除く): 14207729

約数列:

[1, 5, 7, 11, 35, 55, 77, 385, 74383, 371915, 520681, 818213, 2603405, 4091065, 5727491, 28637455]

約数ペア:

[(1, 28637455), (5, 5727491), (7, 4091065), (11, 2603405), (35, 818213), (55, 520681), (77, 371915), (385, 74383)]