81651058

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{107}}^1\times {\mathrm{313}}^1$

素因数の和:498

約数の個数: 32

約数和(自身を含む): 131849856

約数和(自身を除く): 50198798

約数列:

[1, 2, 23, 46, 53, 106, 107, 214, 313, 626, 1219, 2438, 2461, 4922, 5671, 7199, 11342, 14398, 16589, 33178, 33491, 66982, 130433, 260866, 381547, 763094, 770293, 1540586, 1775023, 3550046, 40825529, 81651058]

約数ペア:

[(1, 81651058), (2, 40825529), (23, 3550046), (46, 1775023), (53, 1540586), (106, 770293), (107, 763094), (214, 381547), (313, 260866), (626, 130433), (1219, 66982), (2438, 33491), (2461, 33178), (4922, 16589), (5671, 14398), (7199, 11342)]