489804371

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{67}}^1\times {\mathrm{571}}^1$

素因数の和:735

約数の個数: 32

約数和(自身を含む): 597442560

約数和(自身を除く): 107638189

約数列:

[1, 7, 31, 59, 67, 217, 413, 469, 571, 1829, 2077, 3953, 3997, 12803, 14539, 17701, 27671, 33689, 38257, 122543, 123907, 235823, 267799, 857801, 1044359, 1185967, 2257163, 7310513, 8301769, 15800141, 69972053, 489804371]

約数ペア:

[(1, 489804371), (7, 69972053), (31, 15800141), (59, 8301769), (67, 7310513), (217, 2257163), (413, 1185967), (469, 1044359), (571, 857801), (1829, 267799), (2077, 235823), (3953, 123907), (3997, 122543), (12803, 38257), (14539, 33689), (17701, 27671)]