212919212

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{149}}^1\times {\mathrm{691}}^1$

素因数の和:902

約数の個数: 48

約数和(自身を含む): 418521600

約数和(自身を除く): 205602388

約数列:

[1, 2, 4, 11, 22, 44, 47, 94, 149, 188, 298, 517, 596, 691, 1034, 1382, 1639, 2068, 2764, 3278, 6556, 7003, 7601, 14006, 15202, 28012, 30404, 32477, 64954, 77033, 102959, 129908, 154066, 205918, 308132, 357247, 411836, 714494, 1132549, 1428988, 2265098, 4530196, 4839073, 9678146, 19356292, 53229803, 106459606, 212919212]

約数ペア:

[(1, 212919212), (2, 106459606), (4, 53229803), (11, 19356292), (22, 9678146), (44, 4839073), (47, 4530196), (94, 2265098), (149, 1428988), (188, 1132549), (298, 714494), (517, 411836), (596, 357247), (691, 308132), (1034, 205918), (1382, 154066), (1639, 129908), (2068, 102959), (2764, 77033), (3278, 64954), (6556, 32477), (7003, 30404), (7601, 28012), (14006, 15202)]