1271280790

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{184511}}^1$

素因数の和:184584

約数の個数: 32

約数和(自身を含む): 2510839296

約数和(自身を除く): 1239558506

約数列:

[1, 2, 5, 10, 13, 26, 53, 65, 106, 130, 265, 530, 689, 1378, 3445, 6890, 184511, 369022, 922555, 1845110, 2398643, 4797286, 9779083, 11993215, 19558166, 23986430, 48895415, 97790830, 127128079, 254256158, 635640395, 1271280790]

約数ペア:

[(1, 1271280790), (2, 635640395), (5, 254256158), (10, 127128079), (13, 97790830), (26, 48895415), (53, 23986430), (65, 19558166), (106, 11993215), (130, 9779083), (265, 4797286), (530, 2398643), (689, 1845110), (1378, 922555), (3445, 369022), (6890, 184511)]