1281468244

素因数分解:

$2^2\times 7^1\times {\mathrm{139}}^1\times {\mathrm{329257}}^1$

素因数の和:329407

約数の個数: 24

約数和(自身を含む): 2581382720

約数和(自身を除く): 1299914476

約数列:

[1, 2, 4, 7, 14, 28, 139, 278, 556, 973, 1946, 3892, 329257, 658514, 1317028, 2304799, 4609598, 9219196, 45766723, 91533446, 183066892, 320367061, 640734122, 1281468244]

約数ペア:

[(1, 1281468244), (2, 640734122), (4, 320367061), (7, 183066892), (14, 91533446), (28, 45766723), (139, 9219196), (278, 4609598), (556, 2304799), (973, 1317028), (1946, 658514), (3892, 329257)]