42777778

素因数分解:

$2^1\times {\mathrm{19}}^2\times {\mathrm{179}}^1\times {\mathrm{331}}^1$

素因数の和:550

約数の個数: 24

約数和(自身を含む): 68305680

約数和(自身を除く): 25527902

約数列:

[1, 2, 19, 38, 179, 331, 358, 361, 662, 722, 3401, 6289, 6802, 12578, 59249, 64619, 118498, 119491, 129238, 238982, 1125731, 2251462, 21388889, 42777778]

約数ペア:

[(1, 42777778), (2, 21388889), (19, 2251462), (38, 1125731), (179, 238982), (331, 129238), (358, 119491), (361, 118498), (662, 64619), (722, 59249), (3401, 12578), (6289, 6802)]