678636

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{2693}}^1$

素因数の和:2710

約数の個数: 36

約数和(自身を含む): 1961232

約数和(自身を除く): 1282596

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 2693, 5386, 8079, 10772, 16158, 18851, 24237, 32316, 37702, 48474, 56553, 75404, 96948, 113106, 169659, 226212, 339318, 678636]

約数ペア:

[(1, 678636), (2, 339318), (3, 226212), (4, 169659), (6, 113106), (7, 96948), (9, 75404), (12, 56553), (14, 48474), (18, 37702), (21, 32316), (28, 24237), (36, 18851), (42, 16158), (63, 10772), (84, 8079), (126, 5386), (252, 2693)]