31381994

素因数分解:

$2^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{1289}}^1$

素因数の和:1382

約数の個数: 32

約数和(自身を含む): 56471040

約数和(自身を除く): 25089046

約数列:

[1, 2, 7, 14, 37, 47, 74, 94, 259, 329, 518, 658, 1289, 1739, 2578, 3478, 9023, 12173, 18046, 24346, 47693, 60583, 95386, 121166, 333851, 424081, 667702, 848162, 2241571, 4483142, 15690997, 31381994]

約数ペア:

[(1, 31381994), (2, 15690997), (7, 4483142), (14, 2241571), (37, 848162), (47, 667702), (74, 424081), (94, 333851), (259, 121166), (329, 95386), (518, 60583), (658, 47693), (1289, 24346), (1739, 18046), (2578, 12173), (3478, 9023)]