81623178

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{49831}}^1$

素因数の和:49859

約数の個数: 48

約数和(自身を含む): 217666176

約数和(自身を除く): 136042998

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 39, 42, 63, 78, 91, 117, 126, 182, 234, 273, 546, 819, 1638, 49831, 99662, 149493, 298986, 348817, 448479, 647803, 697634, 896958, 1046451, 1295606, 1943409, 2092902, 3139353, 3886818, 4534621, 5830227, 6278706, 9069242, 11660454, 13603863, 27207726, 40811589, 81623178]

約数ペア:

[(1, 81623178), (2, 40811589), (3, 27207726), (6, 13603863), (7, 11660454), (9, 9069242), (13, 6278706), (14, 5830227), (18, 4534621), (21, 3886818), (26, 3139353), (39, 2092902), (42, 1943409), (63, 1295606), (78, 1046451), (91, 896958), (117, 697634), (126, 647803), (182, 448479), (234, 348817), (273, 298986), (546, 149493), (819, 99662), (1638, 49831)]