31384191215

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{439}}^1\times {\mathrm{2087}}^1$

素因数の和:2592

約数の個数: 64

約数和(自身を含む): 44451348480

約数和(自身を除く): 13067157265

約数列:

[1, 5, 13, 17, 31, 65, 85, 155, 221, 403, 439, 527, 1105, 2015, 2087, 2195, 2635, 5707, 6851, 7463, 10435, 13609, 27131, 28535, 34255, 35479, 37315, 64697, 68045, 97019, 135655, 176917, 177395, 231353, 323485, 461227, 485095, 841061, 884585, 916193, 1099849, 1156765, 2306135, 3007589, 4205305, 4580965, 5499245, 11910509, 14298037, 15037945, 15575281, 28401983, 59552545, 71490185, 77876405, 142009915, 202478653, 369225779, 482833711, 1012393265, 1846128895, 2414168555, 6276838243, 31384191215]

約数ペア:

[(1, 31384191215), (5, 6276838243), (13, 2414168555), (17, 1846128895), (31, 1012393265), (65, 482833711), (85, 369225779), (155, 202478653), (221, 142009915), (403, 77876405), (439, 71490185), (527, 59552545), (1105, 28401983), (2015, 15575281), (2087, 15037945), (2195, 14298037), (2635, 11910509), (5707, 5499245), (6851, 4580965), (7463, 4205305), (10435, 3007589), (13609, 2306135), (27131, 1156765), (28535, 1099849), (34255, 916193), (35479, 884585), (37315, 841061), (64697, 485095), (68045, 461227), (97019, 323485), (135655, 231353), (176917, 177395)]