721966

素因数分解:

$2^1\times 7^2\times {\mathrm{53}}^1\times {\mathrm{139}}^1$

素因数の和:208

約数の個数: 24

約数和(自身を含む): 1292760

約数和(自身を除く): 570794

約数列:

[1, 2, 7, 14, 49, 53, 98, 106, 139, 278, 371, 742, 973, 1946, 2597, 5194, 6811, 7367, 13622, 14734, 51569, 103138, 360983, 721966]

約数ペア:

[(1, 721966), (2, 360983), (7, 103138), (14, 51569), (49, 14734), (53, 13622), (98, 7367), (106, 6811), (139, 5194), (278, 2597), (371, 1946), (742, 973)]