320152987

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{157}}^1\times {\mathrm{373}}^1$

素因数の和:619

約数の個数: 32

約数和(自身を含む): 408443904

約数和(自身を除く): 88290917

約数列:

[1, 7, 11, 71, 77, 157, 373, 497, 781, 1099, 1727, 2611, 4103, 5467, 11147, 12089, 26483, 28721, 58561, 78029, 122617, 185381, 291313, 409927, 644171, 858319, 2039191, 4157831, 4509197, 29104817, 45736141, 320152987]

約数ペア:

[(1, 320152987), (7, 45736141), (11, 29104817), (71, 4509197), (77, 4157831), (157, 2039191), (373, 858319), (497, 644171), (781, 409927), (1099, 291313), (1727, 185381), (2611, 122617), (4103, 78029), (5467, 58561), (11147, 28721), (12089, 26483)]