1279658510

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{173}}^1\times {\mathrm{3347}}^1$

素因数の和:3557

約数の個数: 64

約数和(自身を含む): 2642455872

約数和(自身を除く): 1362797362

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 65, 85, 130, 170, 173, 221, 346, 442, 865, 1105, 1730, 2210, 2249, 2941, 3347, 4498, 5882, 6694, 11245, 14705, 16735, 22490, 29410, 33470, 38233, 43511, 56899, 76466, 87022, 113798, 191165, 217555, 284495, 382330, 435110, 568990, 579031, 739687, 1158062, 1479374, 2895155, 3698435, 5790310, 7396870, 7527403, 9843527, 15054806, 19687054, 37637015, 49217635, 75274030, 98435270, 127965851, 255931702, 639829255, 1279658510]

約数ペア:

[(1, 1279658510), (2, 639829255), (5, 255931702), (10, 127965851), (13, 98435270), (17, 75274030), (26, 49217635), (34, 37637015), (65, 19687054), (85, 15054806), (130, 9843527), (170, 7527403), (173, 7396870), (221, 5790310), (346, 3698435), (442, 2895155), (865, 1479374), (1105, 1158062), (1730, 739687), (2210, 579031), (2249, 568990), (2941, 435110), (3347, 382330), (4498, 284495), (5882, 217555), (6694, 191165), (11245, 113798), (14705, 87022), (16735, 76466), (22490, 56899), (29410, 43511), (33470, 38233)]