221452144

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{4889}}^1$

素因数の和:5065

約数の個数: 40

約数和(自身を含む): 454770000

約数和(自身を除く): 233317856

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 149, 152, 298, 304, 596, 1192, 2384, 2831, 4889, 5662, 9778, 11324, 19556, 22648, 39112, 45296, 78224, 92891, 185782, 371564, 728461, 743128, 1456922, 1486256, 2913844, 5827688, 11655376, 13840759, 27681518, 55363036, 110726072, 221452144]

約数ペア:

[(1, 221452144), (2, 110726072), (4, 55363036), (8, 27681518), (16, 13840759), (19, 11655376), (38, 5827688), (76, 2913844), (149, 1486256), (152, 1456922), (298, 743128), (304, 728461), (596, 371564), (1192, 185782), (2384, 92891), (2831, 78224), (4889, 45296), (5662, 39112), (9778, 22648), (11324, 19556)]