9986820046

素因数分解:

$2^1\times 7^2\times {\mathrm{197}}^1\times {\mathrm{397}}^1\times {\mathrm{1303}}^1$

素因数の和:1913

約数の個数: 48

約数和(自身を含む): 17572031136

約数和(自身を除く): 7585211090

約数列:

[1, 2, 7, 14, 49, 98, 197, 394, 397, 794, 1303, 1379, 2606, 2758, 2779, 5558, 9121, 9653, 18242, 19306, 19453, 38906, 63847, 78209, 127694, 156418, 256691, 513382, 517291, 547463, 1034582, 1094926, 1796837, 3593674, 3621037, 3832241, 7242074, 7664482, 12577859, 25155718, 25347259, 50694518, 101906327, 203812654, 713344289, 1426688578, 4993410023, 9986820046]

約数ペア:

[(1, 9986820046), (2, 4993410023), (7, 1426688578), (14, 713344289), (49, 203812654), (98, 101906327), (197, 50694518), (394, 25347259), (397, 25155718), (794, 12577859), (1303, 7664482), (1379, 7242074), (2606, 3832241), (2758, 3621037), (2779, 3593674), (5558, 1796837), (9121, 1094926), (9653, 1034582), (18242, 547463), (19306, 517291), (19453, 513382), (38906, 256691), (63847, 156418), (78209, 127694)]