81815568

素因数分解:

$2^4\times 3^1\times {\mathrm{163}}^1\times {\mathrm{10457}}^1$

素因数の和:10631

約数の個数: 40

約数和(自身を含む): 212673888

約数和(自身を除く): 130858320

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 163, 326, 489, 652, 978, 1304, 1956, 2608, 3912, 7824, 10457, 20914, 31371, 41828, 62742, 83656, 125484, 167312, 250968, 501936, 1704491, 3408982, 5113473, 6817964, 10226946, 13635928, 20453892, 27271856, 40907784, 81815568]

約数ペア:

[(1, 81815568), (2, 40907784), (3, 27271856), (4, 20453892), (6, 13635928), (8, 10226946), (12, 6817964), (16, 5113473), (24, 3408982), (48, 1704491), (163, 501936), (326, 250968), (489, 167312), (652, 125484), (978, 83656), (1304, 62742), (1956, 41828), (2608, 31371), (3912, 20914), (7824, 10457)]