311811836

素因数分解:

$2^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{2341}}^1$

素因数の和:2490

約数の個数: 48

約数和(自身を含む): 642120192

約数和(自身を除く): 330308356

約数列:

[1, 2, 4, 7, 14, 28, 67, 71, 134, 142, 268, 284, 469, 497, 938, 994, 1876, 1988, 2341, 4682, 4757, 9364, 9514, 16387, 19028, 32774, 33299, 65548, 66598, 133196, 156847, 166211, 313694, 332422, 627388, 664844, 1097929, 1163477, 2195858, 2326954, 4391716, 4653908, 11136137, 22272274, 44544548, 77952959, 155905918, 311811836]

約数ペア:

[(1, 311811836), (2, 155905918), (4, 77952959), (7, 44544548), (14, 22272274), (28, 11136137), (67, 4653908), (71, 4391716), (134, 2326954), (142, 2195858), (268, 1163477), (284, 1097929), (469, 664844), (497, 627388), (938, 332422), (994, 313694), (1876, 166211), (1988, 156847), (2341, 133196), (4682, 66598), (4757, 65548), (9364, 33299), (9514, 32774), (16387, 19028)]