209969692

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{97}}^1\times {\mathrm{197}}^1$

素因数の和:406

約数の個数: 48

約数和(自身を含む): 387924768

約数和(自身を除く): 177955076

約数列:

[1, 2, 4, 41, 67, 82, 97, 134, 164, 194, 197, 268, 388, 394, 788, 2747, 3977, 5494, 6499, 7954, 8077, 10988, 12998, 13199, 15908, 16154, 19109, 25996, 26398, 32308, 38218, 52796, 76436, 266459, 532918, 541159, 783469, 1065836, 1082318, 1280303, 1566938, 2164636, 2560606, 3133876, 5121212, 52492423, 104984846, 209969692]

約数ペア:

[(1, 209969692), (2, 104984846), (4, 52492423), (41, 5121212), (67, 3133876), (82, 2560606), (97, 2164636), (134, 1566938), (164, 1280303), (194, 1082318), (197, 1065836), (268, 783469), (388, 541159), (394, 532918), (788, 266459), (2747, 76436), (3977, 52796), (5494, 38218), (6499, 32308), (7954, 26398), (8077, 25996), (10988, 19109), (12998, 16154), (13199, 15908)]