64980972

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{257861}}^1$

素因数の和:257878

約数の個数: 36

約数和(自身を含む): 187723536

約数和(自身を除く): 122742564

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 257861, 515722, 773583, 1031444, 1547166, 1805027, 2320749, 3094332, 3610054, 4641498, 5415081, 7220108, 9282996, 10830162, 16245243, 21660324, 32490486, 64980972]

約数ペア:

[(1, 64980972), (2, 32490486), (3, 21660324), (4, 16245243), (6, 10830162), (7, 9282996), (9, 7220108), (12, 5415081), (14, 4641498), (18, 3610054), (21, 3094332), (28, 2320749), (36, 1805027), (42, 1547166), (63, 1031444), (84, 773583), (126, 515722), (252, 257861)]