638047443605

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{643}}^1\times {\mathrm{81637}}^1$

素因数の和:82326

約数の個数: 64

約数和(自身を含む): 953918477568

約数和(自身を除く): 315871033963

約数列:

[1, 5, 11, 13, 17, 55, 65, 85, 143, 187, 221, 643, 715, 935, 1105, 2431, 3215, 7073, 8359, 10931, 12155, 35365, 41795, 54655, 81637, 91949, 120241, 142103, 408185, 459745, 601205, 710515, 898007, 1061281, 1387829, 1563133, 4490035, 5306405, 6939145, 7815665, 11674091, 15266119, 18041777, 52492591, 58370455, 76330595, 90208885, 198459547, 262462955, 577418501, 682403683, 892374047, 992297735, 2887092505, 3412018415, 4461870235, 7506440513, 9816114517, 11600862611, 37532202565, 49080572585, 58004313055, 127609488721, 638047443605]

約数ペア:

[(1, 638047443605), (5, 127609488721), (11, 58004313055), (13, 49080572585), (17, 37532202565), (55, 11600862611), (65, 9816114517), (85, 7506440513), (143, 4461870235), (187, 3412018415), (221, 2887092505), (643, 992297735), (715, 892374047), (935, 682403683), (1105, 577418501), (2431, 262462955), (3215, 198459547), (7073, 90208885), (8359, 76330595), (10931, 58370455), (12155, 52492591), (35365, 18041777), (41795, 15266119), (54655, 11674091), (81637, 7815665), (91949, 6939145), (120241, 5306405), (142103, 4490035), (408185, 1563133), (459745, 1387829), (601205, 1061281), (710515, 898007)]