78812684

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{263}}^1\times {\mathrm{3943}}^1$

素因数の和:4229

約数の個数: 24

約数和(自身を含む): 145770240

約数和(自身を除く): 66957556

約数列:

[1, 2, 4, 19, 38, 76, 263, 526, 1052, 3943, 4997, 7886, 9994, 15772, 19988, 74917, 149834, 299668, 1037009, 2074018, 4148036, 19703171, 39406342, 78812684]

約数ペア:

[(1, 78812684), (2, 39406342), (4, 19703171), (19, 4148036), (38, 2074018), (76, 1037009), (263, 299668), (526, 149834), (1052, 74917), (3943, 19988), (4997, 15772), (7886, 9994)]