279872516

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^2\times {\mathrm{11801}}^1$

素因数の和:11841

約数の個数: 54

約数和(自身を含む): 626296734

約数和(自身を除く): 346424218

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 49, 77, 98, 121, 154, 196, 242, 308, 484, 539, 847, 1078, 1694, 2156, 3388, 5929, 11801, 11858, 23602, 23716, 47204, 82607, 129811, 165214, 259622, 330428, 519244, 578249, 908677, 1156498, 1427921, 1817354, 2312996, 2855842, 3634708, 5711684, 6360739, 9995447, 12721478, 19990894, 25442956, 39981788, 69968129, 139936258, 279872516]

約数ペア:

[(1, 279872516), (2, 139936258), (4, 69968129), (7, 39981788), (11, 25442956), (14, 19990894), (22, 12721478), (28, 9995447), (44, 6360739), (49, 5711684), (77, 3634708), (98, 2855842), (121, 2312996), (154, 1817354), (196, 1427921), (242, 1156498), (308, 908677), (484, 578249), (539, 519244), (847, 330428), (1078, 259622), (1694, 165214), (2156, 129811), (3388, 82607), (5929, 47204), (11801, 23716), (11858, 23602)]