66816828

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{142771}}^1$

素因数の和:142794

約数の個数: 36

約数和(自身を含む): 181891528

約数和(自身を除く): 115074700

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 468, 142771, 285542, 428313, 571084, 856626, 1284939, 1713252, 1856023, 2569878, 3712046, 5139756, 5568069, 7424092, 11136138, 16704207, 22272276, 33408414, 66816828]

約数ペア:

[(1, 66816828), (2, 33408414), (3, 22272276), (4, 16704207), (6, 11136138), (9, 7424092), (12, 5568069), (13, 5139756), (18, 3712046), (26, 2569878), (36, 1856023), (39, 1713252), (52, 1284939), (78, 856626), (117, 571084), (156, 428313), (234, 285542), (468, 142771)]