16921226

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{307}}^1$

素因数の和:474

約数の個数: 32

約数和(自身を含む): 30277632

約数和(自身を除く): 13356406

約数列:

[1, 2, 7, 14, 31, 62, 127, 217, 254, 307, 434, 614, 889, 1778, 2149, 3937, 4298, 7874, 9517, 19034, 27559, 38989, 55118, 66619, 77978, 133238, 272923, 545846, 1208659, 2417318, 8460613, 16921226]

約数ペア:

[(1, 16921226), (2, 8460613), (7, 2417318), (14, 1208659), (31, 545846), (62, 272923), (127, 133238), (217, 77978), (254, 66619), (307, 55118), (434, 38989), (614, 27559), (889, 19034), (1778, 9517), (2149, 7874), (3937, 4298)]