123452785

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{643}}^1$

素因数の和:757

約数の個数: 32

約数和(自身を含む): 163215360

約数和(自身を除く): 39762575

約数列:

[1, 5, 19, 43, 47, 95, 215, 235, 643, 817, 893, 2021, 3215, 4085, 4465, 10105, 12217, 27649, 30221, 38399, 61085, 138245, 151105, 191995, 525331, 574199, 1299503, 2626655, 2870995, 6497515, 24690557, 123452785]

約数ペア:

[(1, 123452785), (5, 24690557), (19, 6497515), (43, 2870995), (47, 2626655), (95, 1299503), (215, 574199), (235, 525331), (643, 191995), (817, 151105), (893, 138245), (2021, 61085), (3215, 38399), (4085, 30221), (4465, 27649), (10105, 12217)]