389905852

素因数分解:

$2^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{373}}^1\times {\mathrm{1009}}^1$

素因数の和:1430

約数の個数: 48

約数和(自身を含む): 803830720

約数和(自身を除く): 413924868

約数列:

[1, 2, 4, 7, 14, 28, 37, 74, 148, 259, 373, 518, 746, 1009, 1036, 1492, 2018, 2611, 4036, 5222, 7063, 10444, 13801, 14126, 27602, 28252, 37333, 55204, 74666, 96607, 149332, 193214, 261331, 376357, 386428, 522662, 752714, 1045324, 1505428, 2634499, 5268998, 10537996, 13925209, 27850418, 55700836, 97476463, 194952926, 389905852]

約数ペア:

[(1, 389905852), (2, 194952926), (4, 97476463), (7, 55700836), (14, 27850418), (28, 13925209), (37, 10537996), (74, 5268998), (148, 2634499), (259, 1505428), (373, 1045324), (518, 752714), (746, 522662), (1009, 386428), (1036, 376357), (1492, 261331), (2018, 193214), (2611, 149332), (4036, 96607), (5222, 74666), (7063, 55204), (10444, 37333), (13801, 28252), (14126, 27602)]