16879885

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{557}}^1$

素因数の和:621

約数の個数: 32

約数和(自身を含む): 24105600

約数和(自身を除く): 7225715

約数列:

[1, 5, 11, 19, 29, 55, 95, 145, 209, 319, 551, 557, 1045, 1595, 2755, 2785, 6061, 6127, 10583, 16153, 30305, 30635, 52915, 80765, 116413, 177683, 306907, 582065, 888415, 1534535, 3375977, 16879885]

約数ペア:

[(1, 16879885), (5, 3375977), (11, 1534535), (19, 888415), (29, 582065), (55, 306907), (95, 177683), (145, 116413), (209, 80765), (319, 52915), (551, 30635), (557, 30305), (1045, 16153), (1595, 10583), (2755, 6127), (2785, 6061)]