8720021954

素因数分解:

$2^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{13252313}}^1$

素因数の和:13252369

約数の個数: 16

約数和(自身を含む): 15266665728

約数和(自身を除く): 6546643774

約数列:

[1, 2, 7, 14, 47, 94, 329, 658, 13252313, 26504626, 92766191, 185532382, 622858711, 1245717422, 4360010977, 8720021954]

約数ペア:

[(1, 8720021954), (2, 4360010977), (7, 1245717422), (14, 622858711), (47, 185532382), (94, 92766191), (329, 26504626), (658, 13252313)]