15691989355

素因数分解:

$5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{179}}^1\times {\mathrm{1879}}^1$

素因数の和:2144

約数の個数: 64

約数和(自身を含む): 22870425600

約数和(自身を除く): 7178436245

約数列:

[1, 5, 7, 31, 35, 43, 155, 179, 215, 217, 301, 895, 1085, 1253, 1333, 1505, 1879, 5549, 6265, 6665, 7697, 9331, 9395, 13153, 27745, 38485, 38843, 46655, 53879, 58249, 65765, 80797, 194215, 238607, 269395, 291245, 336341, 403985, 407743, 565579, 1193035, 1670249, 1681705, 2038715, 2354387, 2504707, 2827895, 8351245, 10426571, 11771935, 12523535, 14462663, 17532949, 52132855, 72313315, 72985997, 87664745, 101238641, 364929985, 448342553, 506193205, 2241712765, 3138397871, 15691989355]

約数ペア:

[(1, 15691989355), (5, 3138397871), (7, 2241712765), (31, 506193205), (35, 448342553), (43, 364929985), (155, 101238641), (179, 87664745), (215, 72985997), (217, 72313315), (301, 52132855), (895, 17532949), (1085, 14462663), (1253, 12523535), (1333, 11771935), (1505, 10426571), (1879, 8351245), (5549, 2827895), (6265, 2504707), (6665, 2354387), (7697, 2038715), (9331, 1681705), (9395, 1670249), (13153, 1193035), (27745, 565579), (38485, 407743), (38843, 403985), (46655, 336341), (53879, 291245), (58249, 269395), (65765, 238607), (80797, 194215)]