277966612

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{229}}^1\times {\mathrm{563}}^1$

素因数の和:821

約数の個数: 72

約数和(自身を含む): 621099360

約数和(自身を除く): 343132748

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 49, 77, 98, 154, 196, 229, 308, 458, 539, 563, 916, 1078, 1126, 1603, 2156, 2252, 2519, 3206, 3941, 5038, 6193, 6412, 7882, 10076, 11221, 12386, 15764, 17633, 22442, 24772, 27587, 35266, 43351, 44884, 55174, 70532, 86702, 110348, 123431, 128927, 173404, 246862, 257854, 303457, 493724, 515708, 606914, 902489, 1213828, 1418197, 1804978, 2836394, 3609956, 5672788, 6317423, 9927379, 12634846, 19854758, 25269692, 39709516, 69491653, 138983306, 277966612]

約数ペア:

[(1, 277966612), (2, 138983306), (4, 69491653), (7, 39709516), (11, 25269692), (14, 19854758), (22, 12634846), (28, 9927379), (44, 6317423), (49, 5672788), (77, 3609956), (98, 2836394), (154, 1804978), (196, 1418197), (229, 1213828), (308, 902489), (458, 606914), (539, 515708), (563, 493724), (916, 303457), (1078, 257854), (1126, 246862), (1603, 173404), (2156, 128927), (2252, 123431), (2519, 110348), (3206, 86702), (3941, 70532), (5038, 55174), (6193, 44884), (6412, 43351), (7882, 35266), (10076, 27587), (11221, 24772), (12386, 22442), (15764, 17633)]