5551988

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{191}}^1$

素因数の和:264

約数の個数: 36

約数和(自身を含む): 10821888

約数和(自身を除く): 5269900

約数列:

[1, 2, 4, 13, 26, 43, 52, 86, 169, 172, 191, 338, 382, 559, 676, 764, 1118, 2236, 2483, 4966, 7267, 8213, 9932, 14534, 16426, 29068, 32279, 32852, 64558, 106769, 129116, 213538, 427076, 1387997, 2775994, 5551988]

約数ペア:

[(1, 5551988), (2, 2775994), (4, 1387997), (13, 427076), (26, 213538), (43, 129116), (52, 106769), (86, 64558), (169, 32852), (172, 32279), (191, 29068), (338, 16426), (382, 14534), (559, 9932), (676, 8213), (764, 7267), (1118, 4966), (2236, 2483)]