221497387

素因数分解:

${\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{347}}^1\times {\mathrm{349}}^1$

素因数の和:786

約数の個数: 16

約数和(自身を含む): 233856000

約数和(自身を除く): 12358613

約数列:

[1, 31, 59, 347, 349, 1829, 10757, 10819, 20473, 20591, 121103, 634663, 638321, 3754193, 7145077, 221497387]

約数ペア:

[(1, 221497387), (31, 7145077), (59, 3754193), (347, 638321), (349, 634663), (1829, 121103), (10757, 20591), (10819, 20473)]