28490633470

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{79}}^1\times {\mathrm{213397}}^1$

素因数の和:213509

約数の個数: 48

約数和(自身を含む): 56234640960

約数和(自身を除く): 27744007490

約数列:

[1, 2, 5, 10, 13, 26, 65, 79, 130, 158, 169, 338, 395, 790, 845, 1027, 1690, 2054, 5135, 10270, 13351, 26702, 66755, 133510, 213397, 426794, 1066985, 2133970, 2774161, 5548322, 13870805, 16858363, 27741610, 33716726, 36064093, 72128186, 84291815, 168583630, 180320465, 219158719, 360640930, 438317438, 1095793595, 2191587190, 2849063347, 5698126694, 14245316735, 28490633470]

約数ペア:

[(1, 28490633470), (2, 14245316735), (5, 5698126694), (10, 2849063347), (13, 2191587190), (26, 1095793595), (65, 438317438), (79, 360640930), (130, 219158719), (158, 180320465), (169, 168583630), (338, 84291815), (395, 72128186), (790, 36064093), (845, 33716726), (1027, 27741610), (1690, 16858363), (2054, 13870805), (5135, 5548322), (10270, 2774161), (13351, 2133970), (26702, 1066985), (66755, 426794), (133510, 213397)]