71975002

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{409}}^1\times {\mathrm{421}}^1$

素因数の和:862

約数の個数: 32

約数和(自身を含む): 124574400

約数和(自身を除く): 52599398

約数列:

[1, 2, 11, 19, 22, 38, 209, 409, 418, 421, 818, 842, 4499, 4631, 7771, 7999, 8998, 9262, 15542, 15998, 85481, 87989, 170962, 172189, 175978, 344378, 1894079, 3271591, 3788158, 6543182, 35987501, 71975002]

約数ペア:

[(1, 71975002), (2, 35987501), (11, 6543182), (19, 3788158), (22, 3271591), (38, 1894079), (209, 344378), (409, 175978), (418, 172189), (421, 170962), (818, 87989), (842, 85481), (4499, 15998), (4631, 15542), (7771, 9262), (7999, 8998)]