397647523

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{2371}}^1$

素因数の和:2507

約数の個数: 32

約数和(自身を含む): 520701440

約数和(自身を除く): 123053917

約数列:

[1, 7, 13, 19, 91, 97, 133, 247, 679, 1261, 1729, 1843, 2371, 8827, 12901, 16597, 23959, 30823, 45049, 167713, 215761, 229987, 315343, 585637, 1609909, 2989831, 4099459, 4369753, 20928817, 30588271, 56806789, 397647523]

約数ペア:

[(1, 397647523), (7, 56806789), (13, 30588271), (19, 20928817), (91, 4369753), (97, 4099459), (133, 2989831), (247, 1609909), (679, 585637), (1261, 315343), (1729, 229987), (1843, 215761), (2371, 167713), (8827, 45049), (12901, 30823), (16597, 23959)]