129749998

素因数分解:

$2^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{263}}^1\times {\mathrm{269}}^1$

素因数の和:672

約数の個数: 32

約数和(自身を含む): 225815040

約数和(自身を除く): 96065042

約数列:

[1, 2, 7, 14, 131, 262, 263, 269, 526, 538, 917, 1834, 1841, 1883, 3682, 3766, 34453, 35239, 68906, 70478, 70747, 141494, 241171, 246673, 482342, 493346, 495229, 990458, 9267857, 18535714, 64874999, 129749998]

約数ペア:

[(1, 129749998), (2, 64874999), (7, 18535714), (14, 9267857), (131, 990458), (262, 495229), (263, 493346), (269, 482342), (526, 246673), (538, 241171), (917, 141494), (1834, 70747), (1841, 70478), (1883, 68906), (3682, 35239), (3766, 34453)]