77081810

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{617}}^1$

素因数の和:699

約数の個数: 48

約数和(自身を含む): 154645848

約数和(自身を除く): 77564038

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 617, 806, 961, 1234, 1922, 2015, 3085, 4030, 4805, 6170, 8021, 9610, 12493, 16042, 19127, 24986, 38254, 40105, 62465, 80210, 95635, 124930, 191270, 248651, 497302, 592937, 1185874, 1243255, 2486510, 2964685, 5929370, 7708181, 15416362, 38540905, 77081810]

約数ペア:

[(1, 77081810), (2, 38540905), (5, 15416362), (10, 7708181), (13, 5929370), (26, 2964685), (31, 2486510), (62, 1243255), (65, 1185874), (130, 592937), (155, 497302), (310, 248651), (403, 191270), (617, 124930), (806, 95635), (961, 80210), (1234, 62465), (1922, 40105), (2015, 38254), (3085, 24986), (4030, 19127), (4805, 16042), (6170, 12493), (8021, 9610)]