81497984

素因数分解:

$2^7\times {\mathrm{179}}^1\times {\mathrm{3557}}^1$

素因数の和:3750

約数の個数: 32

約数和(自身を含む): 163312200

約数和(自身を除く): 81814216

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 179, 358, 716, 1432, 2864, 3557, 5728, 7114, 11456, 14228, 22912, 28456, 56912, 113824, 227648, 455296, 636703, 1273406, 2546812, 5093624, 10187248, 20374496, 40748992, 81497984]

約数ペア:

[(1, 81497984), (2, 40748992), (4, 20374496), (8, 10187248), (16, 5093624), (32, 2546812), (64, 1273406), (128, 636703), (179, 455296), (358, 227648), (716, 113824), (1432, 56912), (2864, 28456), (3557, 22912), (5728, 14228), (7114, 11456)]