668839678

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{601}}^1\times {\mathrm{1861}}^1$

素因数の和:2500

約数の個数: 32

約数和(自身を含む): 1129891392

約数和(自身を除く): 461051714

約数列:

[1, 2, 13, 23, 26, 46, 299, 598, 601, 1202, 1861, 3722, 7813, 13823, 15626, 24193, 27646, 42803, 48386, 85606, 179699, 359398, 556439, 1112878, 1118461, 2236922, 14539993, 25724603, 29079986, 51449206, 334419839, 668839678]

約数ペア:

[(1, 668839678), (2, 334419839), (13, 51449206), (23, 29079986), (26, 25724603), (46, 14539993), (299, 2236922), (598, 1118461), (601, 1112878), (1202, 556439), (1861, 359398), (3722, 179699), (7813, 85606), (13823, 48386), (15626, 42803), (24193, 27646)]