254438886

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{105227}}^1$

素因数の和:105276

約数の個数: 32

約数和(自身を含む): 565705728

約数和(自身を除く): 311266842

約数列:

[1, 2, 3, 6, 13, 26, 31, 39, 62, 78, 93, 186, 403, 806, 1209, 2418, 105227, 210454, 315681, 631362, 1367951, 2735902, 3262037, 4103853, 6524074, 8207706, 9786111, 19572222, 42406481, 84812962, 127219443, 254438886]

約数ペア:

[(1, 254438886), (2, 127219443), (3, 84812962), (6, 42406481), (13, 19572222), (26, 9786111), (31, 8207706), (39, 6524074), (62, 4103853), (78, 3262037), (93, 2735902), (186, 1367951), (403, 631362), (806, 315681), (1209, 210454), (2418, 105227)]