81972649

素因数分解:

${\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1$

素因数の和:241

約数の個数: 32

約数和(自身を含む): 97182720

約数和(自身を除く): 15210071

約数列:

[1, 11, 31, 37, 73, 89, 341, 407, 803, 979, 1147, 2263, 2701, 2759, 3293, 6497, 12617, 24893, 29711, 30349, 36223, 71467, 83731, 102083, 201407, 240389, 921041, 1122913, 2215477, 2644279, 7452059, 81972649]

約数ペア:

[(1, 81972649), (11, 7452059), (31, 2644279), (37, 2215477), (73, 1122913), (89, 921041), (341, 240389), (407, 201407), (803, 102083), (979, 83731), (1147, 71467), (2263, 36223), (2701, 30349), (2759, 29711), (3293, 24893), (6497, 12617)]