247880776

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{216679}}^1$

素因数の和:216709

約数の個数: 32

約数和(自身を含む): 546033600

約数和(自身を除く): 298152824

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 44, 52, 88, 104, 143, 286, 572, 1144, 216679, 433358, 866716, 1733432, 2383469, 2816827, 4766938, 5633654, 9533876, 11267308, 19067752, 22534616, 30985097, 61970194, 123940388, 247880776]

約数ペア:

[(1, 247880776), (2, 123940388), (4, 61970194), (8, 30985097), (11, 22534616), (13, 19067752), (22, 11267308), (26, 9533876), (44, 5633654), (52, 4766938), (88, 2816827), (104, 2383469), (143, 1733432), (286, 866716), (572, 433358), (1144, 216679)]