15917516209

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{307}}^1\times {\mathrm{389839}}^1$

素因数の和:390172

約数の個数: 16

約数和(自身を含む): 19211315200

約数和(自身を除く): 3293798991

約数列:

[1, 7, 19, 133, 307, 2149, 5833, 40831, 389839, 2728873, 7406941, 51848587, 119680573, 837764011, 2273930887, 15917516209]

約数ペア:

[(1, 15917516209), (7, 2273930887), (19, 837764011), (133, 119680573), (307, 51848587), (2149, 7406941), (5833, 2728873), (40831, 389839)]