81414216

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^1\times {\mathrm{86981}}^1$

素因数の和:87006

約数の個数: 48

約数和(自身を含む): 237460860

約数和(自身を除く): 156046644

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 36, 39, 52, 72, 78, 104, 117, 156, 234, 312, 468, 936, 86981, 173962, 260943, 347924, 521886, 695848, 782829, 1043772, 1130753, 1565658, 2087544, 2261506, 3131316, 3392259, 4523012, 6262632, 6784518, 9046024, 10176777, 13569036, 20353554, 27138072, 40707108, 81414216]

約数ペア:

[(1, 81414216), (2, 40707108), (3, 27138072), (4, 20353554), (6, 13569036), (8, 10176777), (9, 9046024), (12, 6784518), (13, 6262632), (18, 4523012), (24, 3392259), (26, 3131316), (36, 2261506), (39, 2087544), (52, 1565658), (72, 1130753), (78, 1043772), (104, 782829), (117, 695848), (156, 521886), (234, 347924), (312, 260943), (468, 173962), (936, 86981)]