1289710922

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{149}}^1\times {\mathrm{70949}}^1$

素因数の和:71161

約数の個数: 16

約数和(自身を含む): 1979505000

約数和(自身を除く): 689794078

約数列:

[1, 2, 61, 122, 149, 298, 9089, 18178, 70949, 141898, 4327889, 8655778, 10571401, 21142802, 644855461, 1289710922]

約数ペア:

[(1, 1289710922), (2, 644855461), (61, 21142802), (122, 10571401), (149, 8655778), (298, 4327889), (9089, 141898), (18178, 70949)]