489291838

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{31177}}^1$

素因数の和:31264

約数の個数: 32

約数和(自身を含む): 897926400

約数和(自身を除く): 408634562

約数列:

[1, 2, 7, 14, 19, 38, 59, 118, 133, 266, 413, 826, 1121, 2242, 7847, 15694, 31177, 62354, 218239, 436478, 592363, 1184726, 1839443, 3678886, 4146541, 8293082, 12876101, 25752202, 34949417, 69898834, 244645919, 489291838]

約数ペア:

[(1, 489291838), (2, 244645919), (7, 69898834), (14, 34949417), (19, 25752202), (38, 12876101), (59, 8293082), (118, 4146541), (133, 3678886), (266, 1839443), (413, 1184726), (826, 592363), (1121, 436478), (2242, 218239), (7847, 62354), (15694, 31177)]