25178812

素因数分解:

$2^2\times {\mathrm{89}}^1\times {\mathrm{107}}^1\times {\mathrm{661}}^1$

素因数の和:861

約数の個数: 24

約数和(自身を含む): 45042480

約数和(自身を除く): 19863668

約数列:

[1, 2, 4, 89, 107, 178, 214, 356, 428, 661, 1322, 2644, 9523, 19046, 38092, 58829, 70727, 117658, 141454, 235316, 282908, 6294703, 12589406, 25178812]

約数ペア:

[(1, 25178812), (2, 12589406), (4, 6294703), (89, 282908), (107, 235316), (178, 141454), (214, 117658), (356, 70727), (428, 58829), (661, 38092), (1322, 19046), (2644, 9523)]