19991567265

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{293}}^1\times {\mathrm{5693}}^1$

素因数の和:6058

約数の個数: 64

約数和(自身を含む): 34712810496

約数和(自身を除く): 14721243231

約数列:

[1, 3, 5, 15, 17, 47, 51, 85, 141, 235, 255, 293, 705, 799, 879, 1465, 2397, 3995, 4395, 4981, 5693, 11985, 13771, 14943, 17079, 24905, 28465, 41313, 68855, 74715, 85395, 96781, 206565, 234107, 267571, 290343, 483905, 702321, 802713, 1170535, 1337855, 1451715, 1668049, 3511605, 4013565, 4548707, 5004147, 8340245, 13646121, 22743535, 25020735, 28356833, 68230605, 78398303, 85070499, 141784165, 235194909, 391991515, 425352495, 1175974545, 1332771151, 3998313453, 6663855755, 19991567265]

約数ペア:

[(1, 19991567265), (3, 6663855755), (5, 3998313453), (15, 1332771151), (17, 1175974545), (47, 425352495), (51, 391991515), (85, 235194909), (141, 141784165), (235, 85070499), (255, 78398303), (293, 68230605), (705, 28356833), (799, 25020735), (879, 22743535), (1465, 13646121), (2397, 8340245), (3995, 5004147), (4395, 4548707), (4981, 4013565), (5693, 3511605), (11985, 1668049), (13771, 1451715), (14943, 1337855), (17079, 1170535), (24905, 802713), (28465, 702321), (41313, 483905), (68855, 290343), (74715, 267571), (85395, 234107), (96781, 206565)]