78502005

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{1153}}^1$

素因数の和:1270

約数の個数: 48

約数和(自身を含む): 145819440

約数和(自身を除く): 67317435

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 89, 153, 255, 267, 445, 765, 801, 1153, 1335, 1513, 3459, 4005, 4539, 5765, 7565, 10377, 13617, 17295, 19601, 22695, 51885, 58803, 68085, 98005, 102617, 176409, 294015, 307851, 513085, 882045, 923553, 1539255, 1744489, 4617765, 5233467, 8722445, 15700401, 26167335, 78502005]

約数ペア:

[(1, 78502005), (3, 26167335), (5, 15700401), (9, 8722445), (15, 5233467), (17, 4617765), (45, 1744489), (51, 1539255), (85, 923553), (89, 882045), (153, 513085), (255, 307851), (267, 294015), (445, 176409), (765, 102617), (801, 98005), (1153, 68085), (1335, 58803), (1513, 51885), (3459, 22695), (4005, 19601), (4539, 17295), (5765, 13617), (7565, 10377)]