199957716

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{521}}^1\times {\mathrm{1523}}^1$

素因数の和:2061

約数の個数: 72

約数和(自身を含む): 579144384

約数和(自身を除く): 379186668

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 521, 1042, 1523, 1563, 2084, 3046, 3126, 3647, 4569, 4689, 6092, 6252, 7294, 9138, 9378, 10661, 10941, 13707, 14588, 18276, 18756, 21322, 21882, 27414, 31983, 32823, 42644, 43764, 54828, 63966, 65646, 95949, 127932, 131292, 191898, 383796, 793483, 1586966, 2380449, 3173932, 4760898, 5554381, 7141347, 9521796, 11108762, 14282694, 16663143, 22217524, 28565388, 33326286, 49989429, 66652572, 99978858, 199957716]

約数ペア:

[(1, 199957716), (2, 99978858), (3, 66652572), (4, 49989429), (6, 33326286), (7, 28565388), (9, 22217524), (12, 16663143), (14, 14282694), (18, 11108762), (21, 9521796), (28, 7141347), (36, 5554381), (42, 4760898), (63, 3173932), (84, 2380449), (126, 1586966), (252, 793483), (521, 383796), (1042, 191898), (1523, 131292), (1563, 127932), (2084, 95949), (3046, 65646), (3126, 63966), (3647, 54828), (4569, 43764), (4689, 42644), (6092, 32823), (6252, 31983), (7294, 27414), (9138, 21882), (9378, 21322), (10661, 18756), (10941, 18276), (13707, 14588)]