208734547

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{103}}^1\times {\mathrm{149}}^1$

素因数の和:355

約数の個数: 32

約数和(自身を含む): 254592000

約数和(自身を除く): 45857453

約数列:

[1, 7, 29, 67, 103, 149, 203, 469, 721, 1043, 1943, 2987, 4321, 6901, 9983, 13601, 15347, 20909, 30247, 48307, 69881, 107429, 200129, 289507, 445063, 1028249, 1400903, 2026549, 3115441, 7197743, 29819221, 208734547]

約数ペア:

[(1, 208734547), (7, 29819221), (29, 7197743), (67, 3115441), (103, 2026549), (149, 1400903), (203, 1028249), (469, 445063), (721, 289507), (1043, 200129), (1943, 107429), (2987, 69881), (4321, 48307), (6901, 30247), (9983, 20909), (13601, 15347)]