81809210

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{22051}}^1$

素因数の和:22118

約数の個数: 32

約数和(自身を含む): 171476352

約数和(自身を除く): 89667142

約数列:

[1, 2, 5, 7, 10, 14, 35, 53, 70, 106, 265, 371, 530, 742, 1855, 3710, 22051, 44102, 110255, 154357, 220510, 308714, 771785, 1168703, 1543570, 2337406, 5843515, 8180921, 11687030, 16361842, 40904605, 81809210]

約数ペア:

[(1, 81809210), (2, 40904605), (5, 16361842), (7, 11687030), (10, 8180921), (14, 5843515), (35, 2337406), (53, 1543570), (70, 1168703), (106, 771785), (265, 308714), (371, 220510), (530, 154357), (742, 110255), (1855, 44102), (3710, 22051)]