81467988

素因数分解:

$2^2\times 3^1\times 7^3\times {\mathrm{19793}}^1$

素因数の和:19821

約数の個数: 48

約数和(自身を含む): 221692800

約数和(自身を除く): 140224812

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 147, 196, 294, 343, 588, 686, 1029, 1372, 2058, 4116, 19793, 39586, 59379, 79172, 118758, 138551, 237516, 277102, 415653, 554204, 831306, 969857, 1662612, 1939714, 2909571, 3879428, 5819142, 6788999, 11638284, 13577998, 20366997, 27155996, 40733994, 81467988]

約数ペア:

[(1, 81467988), (2, 40733994), (3, 27155996), (4, 20366997), (6, 13577998), (7, 11638284), (12, 6788999), (14, 5819142), (21, 3879428), (28, 2909571), (42, 1939714), (49, 1662612), (84, 969857), (98, 831306), (147, 554204), (196, 415653), (294, 277102), (343, 237516), (588, 138551), (686, 118758), (1029, 79172), (1372, 59379), (2058, 39586), (4116, 19793)]