205657202044

素因数分解:

$2^2\times 7^2\times {\mathrm{347}}^1\times {\mathrm{1483}}^1\times {\mathrm{2039}}^1$

素因数の和:3887

約数の個数: 72

約数和(自身を含む): 420354990720

約数和(自身を除く): 214697788676

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 347, 694, 1388, 1483, 2039, 2429, 2966, 4078, 4858, 5932, 8156, 9716, 10381, 14273, 17003, 20762, 28546, 34006, 41524, 57092, 68012, 72667, 99911, 145334, 199822, 290668, 399644, 514601, 707533, 1029202, 1415066, 2058404, 2830132, 3023837, 3602207, 4952731, 6047674, 7204414, 9905462, 12095348, 14408828, 19810924, 21166859, 25215449, 34669117, 42333718, 50430898, 69338234, 84667436, 100861796, 138676468, 148168013, 296336026, 592672052, 1049271439, 2098542878, 4197085756, 7344900073, 14689800146, 29379600292, 51414300511, 102828601022, 205657202044]

約数ペア:

[(1, 205657202044), (2, 102828601022), (4, 51414300511), (7, 29379600292), (14, 14689800146), (28, 7344900073), (49, 4197085756), (98, 2098542878), (196, 1049271439), (347, 592672052), (694, 296336026), (1388, 148168013), (1483, 138676468), (2039, 100861796), (2429, 84667436), (2966, 69338234), (4078, 50430898), (4858, 42333718), (5932, 34669117), (8156, 25215449), (9716, 21166859), (10381, 19810924), (14273, 14408828), (17003, 12095348), (20762, 9905462), (28546, 7204414), (34006, 6047674), (41524, 4952731), (57092, 3602207), (68012, 3023837), (72667, 2830132), (99911, 2058404), (145334, 1415066), (199822, 1029202), (290668, 707533), (399644, 514601)]