71397028

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{151}}^1\times {\mathrm{2749}}^1$

素因数の和:2947

約数の個数: 24

約数和(自身を含む): 128744000

約数和(自身を除く): 57346972

約数列:

[1, 2, 4, 43, 86, 151, 172, 302, 604, 2749, 5498, 6493, 10996, 12986, 25972, 118207, 236414, 415099, 472828, 830198, 1660396, 17849257, 35698514, 71397028]

約数ペア:

[(1, 71397028), (2, 35698514), (4, 17849257), (43, 1660396), (86, 830198), (151, 472828), (172, 415099), (302, 236414), (604, 118207), (2749, 25972), (5498, 12986), (6493, 10996)]