28726810

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{410383}}^1$

素因数の和:410397

約数の個数: 16

約数和(自身を含む): 59095296

約数和(自身を除く): 30368486

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 410383, 820766, 2051915, 2872681, 4103830, 5745362, 14363405, 28726810]

約数ペア:

[(1, 28726810), (2, 14363405), (5, 5745362), (7, 4103830), (10, 2872681), (14, 2051915), (35, 820766), (70, 410383)]