20131209112

素因数分解:

$2^3\times 7^1\times {\mathrm{131}}^1\times {\mathrm{1019}}^1\times {\mathrm{2693}}^1$

素因数の和:3856

約数の個数: 64

約数和(自身を含む): 43526419200

約数和(自身を除く): 23395210088

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 131, 262, 524, 917, 1019, 1048, 1834, 2038, 2693, 3668, 4076, 5386, 7133, 7336, 8152, 10772, 14266, 18851, 21544, 28532, 37702, 57064, 75404, 133489, 150808, 266978, 352783, 533956, 705566, 934423, 1067912, 1411132, 1868846, 2469481, 2744167, 2822264, 3737692, 4938962, 5488334, 7475384, 9877924, 10976668, 19209169, 19755848, 21953336, 38418338, 76836676, 153673352, 359485877, 718971754, 1437943508, 2516401139, 2875887016, 5032802278, 10065604556, 20131209112]

約数ペア:

[(1, 20131209112), (2, 10065604556), (4, 5032802278), (7, 2875887016), (8, 2516401139), (14, 1437943508), (28, 718971754), (56, 359485877), (131, 153673352), (262, 76836676), (524, 38418338), (917, 21953336), (1019, 19755848), (1048, 19209169), (1834, 10976668), (2038, 9877924), (2693, 7475384), (3668, 5488334), (4076, 4938962), (5386, 3737692), (7133, 2822264), (7336, 2744167), (8152, 2469481), (10772, 1868846), (14266, 1411132), (18851, 1067912), (21544, 934423), (28532, 705566), (37702, 533956), (57064, 352783), (75404, 266978), (133489, 150808)]