1639844525

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{211}}^1\times {\mathrm{479}}^1$

素因数の和:770

約数の個数: 48

約数和(自身を含む): 2271283200

約数和(自身を除く): 631438675

約数列:

[1, 5, 11, 25, 55, 59, 211, 275, 295, 479, 649, 1055, 1475, 2321, 2395, 3245, 5269, 5275, 11605, 11975, 12449, 16225, 26345, 28261, 58025, 62245, 101069, 131725, 136939, 141305, 310871, 311225, 505345, 684695, 706525, 1111759, 1554355, 2526725, 3423475, 5558795, 5963071, 7771775, 27793975, 29815355, 65593781, 149076775, 327968905, 1639844525]

約数ペア:

[(1, 1639844525), (5, 327968905), (11, 149076775), (25, 65593781), (55, 29815355), (59, 27793975), (211, 7771775), (275, 5963071), (295, 5558795), (479, 3423475), (649, 2526725), (1055, 1554355), (1475, 1111759), (2321, 706525), (2395, 684695), (3245, 505345), (5269, 311225), (5275, 310871), (11605, 141305), (11975, 136939), (12449, 131725), (16225, 101069), (26345, 62245), (28261, 58025)]