81470518

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{14389}}^1$

素因数の和:14559

約数の個数: 16

約数和(自身を含む): 129510000

約数和(自身を除く): 48039482

約数列:

[1, 2, 19, 38, 149, 298, 2831, 5662, 14389, 28778, 273391, 546782, 2143961, 4287922, 40735259, 81470518]

約数ペア:

[(1, 81470518), (2, 40735259), (19, 4287922), (38, 2143961), (149, 546782), (298, 273391), (2831, 28778), (5662, 14389)]