138081988

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{257}}^1\times {\mathrm{12211}}^1$

素因数の和:12483

約数の個数: 24

約数和(自身を含む): 264658464

約数和(自身を除く): 126576476

約数列:

[1, 2, 4, 11, 22, 44, 257, 514, 1028, 2827, 5654, 11308, 12211, 24422, 48844, 134321, 268642, 537284, 3138227, 6276454, 12552908, 34520497, 69040994, 138081988]

約数ペア:

[(1, 138081988), (2, 69040994), (4, 34520497), (11, 12552908), (22, 6276454), (44, 3138227), (257, 537284), (514, 268642), (1028, 134321), (2827, 48844), (5654, 24422), (11308, 12211)]