51489185

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{103}}^1\times {\mathrm{149}}^1$

素因数の和:329

約数の個数: 32

約数和(自身を含む): 69638400

約数和(自身を除く): 18149215

約数列:

[1, 5, 11, 55, 61, 103, 149, 305, 515, 671, 745, 1133, 1639, 3355, 5665, 6283, 8195, 9089, 15347, 31415, 45445, 69113, 76735, 99979, 168817, 345565, 499895, 844085, 936167, 4680835, 10297837, 51489185]

約数ペア:

[(1, 51489185), (5, 10297837), (11, 4680835), (55, 936167), (61, 844085), (103, 499895), (149, 345565), (305, 168817), (515, 99979), (671, 76735), (745, 69113), (1133, 45445), (1639, 31415), (3355, 15347), (5665, 9089), (6283, 8195)]