81353672

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{113}}^1\times {\mathrm{2903}}^1$

素因数の和:3053

約数の個数: 32

約数和(自身を含む): 158906880

約数和(自身を除く): 77553208

約数列:

[1, 2, 4, 8, 31, 62, 113, 124, 226, 248, 452, 904, 2903, 3503, 5806, 7006, 11612, 14012, 23224, 28024, 89993, 179986, 328039, 359972, 656078, 719944, 1312156, 2624312, 10169209, 20338418, 40676836, 81353672]

約数ペア:

[(1, 81353672), (2, 40676836), (4, 20338418), (8, 10169209), (31, 2624312), (62, 1312156), (113, 719944), (124, 656078), (226, 359972), (248, 328039), (452, 179986), (904, 89993), (2903, 28024), (3503, 23224), (5806, 14012), (7006, 11612)]