261821616

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{779231}}^1$

素因数の和:779249

約数の個数: 40

約数和(自身を含む): 772998144

約数和(自身を除く): 511176528

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 336, 779231, 1558462, 2337693, 3116924, 4675386, 5454617, 6233848, 9350772, 10909234, 12467696, 16363851, 18701544, 21818468, 32727702, 37403088, 43636936, 65455404, 87273872, 130910808, 261821616]

約数ペア:

[(1, 261821616), (2, 130910808), (3, 87273872), (4, 65455404), (6, 43636936), (7, 37403088), (8, 32727702), (12, 21818468), (14, 18701544), (16, 16363851), (21, 12467696), (24, 10909234), (28, 9350772), (42, 6233848), (48, 5454617), (56, 4675386), (84, 3116924), (112, 2337693), (168, 1558462), (336, 779231)]