164761616

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{13219}}^1$

素因数の和:13287

約数の個数: 40

約数和(自身を含む): 344248800

約数和(自身を除く): 179487184

約数列:

[1, 2, 4, 8, 16, 19, 38, 41, 76, 82, 152, 164, 304, 328, 656, 779, 1558, 3116, 6232, 12464, 13219, 26438, 52876, 105752, 211504, 251161, 502322, 541979, 1004644, 1083958, 2009288, 2167916, 4018576, 4335832, 8671664, 10297601, 20595202, 41190404, 82380808, 164761616]

約数ペア:

[(1, 164761616), (2, 82380808), (4, 41190404), (8, 20595202), (16, 10297601), (19, 8671664), (38, 4335832), (41, 4018576), (76, 2167916), (82, 2009288), (152, 1083958), (164, 1004644), (304, 541979), (328, 502322), (656, 251161), (779, 211504), (1558, 105752), (3116, 52876), (6232, 26438), (12464, 13219)]