77984985

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{127}}^1$

素因数の和:262

約数の個数: 64

約数和(自身を含む): 140378112

約数和(自身を除く): 62393127

約数列:

[1, 3, 5, 13, 15, 39, 47, 65, 67, 127, 141, 195, 201, 235, 335, 381, 611, 635, 705, 871, 1005, 1651, 1833, 1905, 2613, 3055, 3149, 4355, 4953, 5969, 8255, 8509, 9165, 9447, 13065, 15745, 17907, 24765, 25527, 29845, 40937, 42545, 47235, 77597, 89535, 110617, 122811, 127635, 204685, 232791, 331851, 387985, 399923, 553085, 614055, 1163955, 1199769, 1659255, 1999615, 5198999, 5998845, 15596997, 25994995, 77984985]

約数ペア:

[(1, 77984985), (3, 25994995), (5, 15596997), (13, 5998845), (15, 5198999), (39, 1999615), (47, 1659255), (65, 1199769), (67, 1163955), (127, 614055), (141, 553085), (195, 399923), (201, 387985), (235, 331851), (335, 232791), (381, 204685), (611, 127635), (635, 122811), (705, 110617), (871, 89535), (1005, 77597), (1651, 47235), (1833, 42545), (1905, 40937), (2613, 29845), (3055, 25527), (3149, 24765), (4355, 17907), (4953, 15745), (5969, 13065), (8255, 9447), (8509, 9165)]