389968678

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{28181}}^1$

素因数の和:28248

約数の個数: 32

約数和(自身を含む): 693953568

約数和(自身を除く): 303984890

約数列:

[1, 2, 11, 17, 22, 34, 37, 74, 187, 374, 407, 629, 814, 1258, 6919, 13838, 28181, 56362, 309991, 479077, 619982, 958154, 1042697, 2085394, 5269847, 10539694, 11469667, 17725849, 22939334, 35451698, 194984339, 389968678]

約数ペア:

[(1, 389968678), (2, 194984339), (11, 35451698), (17, 22939334), (22, 17725849), (34, 11469667), (37, 10539694), (74, 5269847), (187, 2085394), (374, 1042697), (407, 958154), (629, 619982), (814, 479077), (1258, 309991), (6919, 56362), (13838, 28181)]