28639814

素因数分解:

$2^1\times 7^3\times {\mathrm{83}}^1\times {\mathrm{503}}^1$

素因数の和:609

約数の個数: 32

約数和(自身を含む): 50803200

約数和(自身を除く): 22163386

約数列:

[1, 2, 7, 14, 49, 83, 98, 166, 343, 503, 581, 686, 1006, 1162, 3521, 4067, 7042, 8134, 24647, 28469, 41749, 49294, 56938, 83498, 172529, 292243, 345058, 584486, 2045701, 4091402, 14319907, 28639814]

約数ペア:

[(1, 28639814), (2, 14319907), (7, 4091402), (14, 2045701), (49, 584486), (83, 345058), (98, 292243), (166, 172529), (343, 83498), (503, 56938), (581, 49294), (686, 41749), (1006, 28469), (1162, 24647), (3521, 8134), (4067, 7042)]