389989424

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{71479}}^1$

素因数の和:71529

約数の個数: 40

約数和(自身を含む): 850897920

約数和(自身を除く): 460908496

約数列:

[1, 2, 4, 8, 11, 16, 22, 31, 44, 62, 88, 124, 176, 248, 341, 496, 682, 1364, 2728, 5456, 71479, 142958, 285916, 571832, 786269, 1143664, 1572538, 2215849, 3145076, 4431698, 6290152, 8863396, 12580304, 17726792, 24374339, 35453584, 48748678, 97497356, 194994712, 389989424]

約数ペア:

[(1, 389989424), (2, 194994712), (4, 97497356), (8, 48748678), (11, 35453584), (16, 24374339), (22, 17726792), (31, 12580304), (44, 8863396), (62, 6290152), (88, 4431698), (124, 3145076), (176, 2215849), (248, 1572538), (341, 1143664), (496, 786269), (682, 571832), (1364, 285916), (2728, 142958), (5456, 71479)]