71157772

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{1123}}^1$

素因数の和:1238

約数の個数: 48

約数和(自身を含む): 149051392

約数和(自身を除く): 77893620

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 73, 124, 146, 217, 292, 434, 511, 868, 1022, 1123, 2044, 2246, 2263, 4492, 4526, 7861, 9052, 15722, 15841, 31444, 31682, 34813, 63364, 69626, 81979, 139252, 163958, 243691, 327916, 487382, 573853, 974764, 1147706, 2295412, 2541349, 5082698, 10165396, 17789443, 35578886, 71157772]

約数ペア:

[(1, 71157772), (2, 35578886), (4, 17789443), (7, 10165396), (14, 5082698), (28, 2541349), (31, 2295412), (62, 1147706), (73, 974764), (124, 573853), (146, 487382), (217, 327916), (292, 243691), (434, 163958), (511, 139252), (868, 81979), (1022, 69626), (1123, 63364), (2044, 34813), (2246, 31682), (2263, 31444), (4492, 15841), (4526, 15722), (7861, 9052)]