399528026891

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{71399}}^1\times {\mathrm{42073}}^1$

素因数の和:113498

約数の個数: 16

約数和(自身を含む): 480653376000

約数和(自身を除く): 81125349109

約数列:

[1, 7, 19, 133, 42073, 71399, 294511, 499793, 799387, 1356581, 5595709, 9496067, 3003970127, 21027790889, 57075432413, 399528026891]

約数ペア:

[(1, 399528026891), (7, 57075432413), (19, 21027790889), (133, 3003970127), (42073, 9496067), (71399, 5595709), (294511, 1356581), (499793, 799387)]