128890908

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{188437}}^1$

素因数の和:188466

約数の個数: 36

約数和(自身を含む): 342957160

約数和(自身を除く): 214066252

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 114, 171, 228, 342, 684, 188437, 376874, 565311, 753748, 1130622, 1695933, 2261244, 3391866, 3580303, 6783732, 7160606, 10740909, 14321212, 21481818, 32222727, 42963636, 64445454, 128890908]

約数ペア:

[(1, 128890908), (2, 64445454), (3, 42963636), (4, 32222727), (6, 21481818), (9, 14321212), (12, 10740909), (18, 7160606), (19, 6783732), (36, 3580303), (38, 3391866), (57, 2261244), (76, 1695933), (114, 1130622), (171, 753748), (228, 565311), (342, 376874), (684, 188437)]