15987984

素因数分解:

$2^4\times 3^1\times {\mathrm{397}}^1\times {\mathrm{839}}^1$

素因数の和:1247

約数の個数: 40

約数和(自身を含む): 41455680

約数和(自身を除く): 25467696

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 397, 794, 839, 1191, 1588, 1678, 2382, 2517, 3176, 3356, 4764, 5034, 6352, 6712, 9528, 10068, 13424, 19056, 20136, 40272, 333083, 666166, 999249, 1332332, 1998498, 2664664, 3996996, 5329328, 7993992, 15987984]

約数ペア:

[(1, 15987984), (2, 7993992), (3, 5329328), (4, 3996996), (6, 2664664), (8, 1998498), (12, 1332332), (16, 999249), (24, 666166), (48, 333083), (397, 40272), (794, 20136), (839, 19056), (1191, 13424), (1588, 10068), (1678, 9528), (2382, 6712), (2517, 6352), (3176, 5034), (3356, 4764)]