42097715

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{149}}^1\times {\mathrm{467}}^1$

素因数の和:643

約数の個数: 24

約数和(自身を含む): 56019600

約数和(自身を除く): 13921885

約数列:

[1, 5, 11, 55, 121, 149, 467, 605, 745, 1639, 2335, 5137, 8195, 18029, 25685, 56507, 69583, 90145, 282535, 347915, 765413, 3827065, 8419543, 42097715]

約数ペア:

[(1, 42097715), (5, 8419543), (11, 3827065), (55, 765413), (121, 347915), (149, 282535), (467, 90145), (605, 69583), (745, 56507), (1639, 25685), (2335, 18029), (5137, 8195)]