81818534

素因数分解:

$2^1\times 7^3\times {\mathrm{41}}^1\times {\mathrm{2909}}^1$

素因数の和:2973

約数の個数: 32

約数和(自身を含む): 146664000

約数和(自身を除く): 64845466

約数列:

[1, 2, 7, 14, 41, 49, 82, 98, 287, 343, 574, 686, 2009, 2909, 4018, 5818, 14063, 20363, 28126, 40726, 119269, 142541, 238538, 285082, 834883, 997787, 1669766, 1995574, 5844181, 11688362, 40909267, 81818534]

約数ペア:

[(1, 81818534), (2, 40909267), (7, 11688362), (14, 5844181), (41, 1995574), (49, 1669766), (82, 997787), (98, 834883), (287, 285082), (343, 238538), (574, 142541), (686, 119269), (2009, 40726), (2909, 28126), (4018, 20363), (5818, 14063)]