81374848

素因数分解:

$2^7\times {\mathrm{509}}^1\times {\mathrm{1249}}^1$

素因数の和:1772

約数の個数: 32

約数和(自身を含む): 162562500

約数和(自身を除く): 81187652

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 509, 1018, 1249, 2036, 2498, 4072, 4996, 8144, 9992, 16288, 19984, 32576, 39968, 65152, 79936, 159872, 635741, 1271482, 2542964, 5085928, 10171856, 20343712, 40687424, 81374848]

約数ペア:

[(1, 81374848), (2, 40687424), (4, 20343712), (8, 10171856), (16, 5085928), (32, 2542964), (64, 1271482), (128, 635741), (509, 159872), (1018, 79936), (1249, 65152), (2036, 39968), (2498, 32576), (4072, 19984), (4996, 16288), (8144, 9992)]