72880208

素因数分解:

$2^4\times {\mathrm{179}}^1\times {\mathrm{25447}}^1$

素因数の和:25634

約数の個数: 20

約数和(自身を含む): 141999840

約数和(自身を除く): 69119632

約数列:

[1, 2, 4, 8, 16, 179, 358, 716, 1432, 2864, 25447, 50894, 101788, 203576, 407152, 4555013, 9110026, 18220052, 36440104, 72880208]

約数ペア:

[(1, 72880208), (2, 36440104), (4, 18220052), (8, 9110026), (16, 4555013), (179, 407152), (358, 203576), (716, 101788), (1432, 50894), (2864, 25447)]