668948903

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{163}}^1\times {\mathrm{523}}^1$

素因数の和:771

約数の個数: 32

約数和(自身を含む): 824985600

約数和(自身を除く): 156036697

約数列:

[1, 7, 19, 59, 133, 163, 413, 523, 1121, 1141, 3097, 3661, 7847, 9617, 9937, 21679, 30857, 67319, 69559, 85249, 182723, 215999, 586283, 596743, 1279061, 1619731, 4103981, 5029691, 11338117, 35207837, 95564129, 668948903]

約数ペア:

[(1, 668948903), (7, 95564129), (19, 35207837), (59, 11338117), (133, 5029691), (163, 4103981), (413, 1619731), (523, 1279061), (1121, 596743), (1141, 586283), (3097, 215999), (3661, 182723), (7847, 85249), (9617, 69559), (9937, 67319), (21679, 30857)]