28589470

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{353}}^1$

素因数の和:469

約数の個数: 64

約数和(自身を含む): 64229760

約数和(自身を除く): 35640290

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 89, 91, 130, 178, 182, 353, 445, 455, 623, 706, 890, 910, 1157, 1246, 1765, 2314, 2471, 3115, 3530, 4589, 4942, 5785, 6230, 8099, 9178, 11570, 12355, 16198, 22945, 24710, 31417, 32123, 40495, 45890, 62834, 64246, 80990, 157085, 160615, 219919, 314170, 321230, 408421, 439838, 816842, 1099595, 2042105, 2199190, 2858947, 4084210, 5717894, 14294735, 28589470]

約数ペア:

[(1, 28589470), (2, 14294735), (5, 5717894), (7, 4084210), (10, 2858947), (13, 2199190), (14, 2042105), (26, 1099595), (35, 816842), (65, 439838), (70, 408421), (89, 321230), (91, 314170), (130, 219919), (178, 160615), (182, 157085), (353, 80990), (445, 64246), (455, 62834), (623, 45890), (706, 40495), (890, 32123), (910, 31417), (1157, 24710), (1246, 22945), (1765, 16198), (2314, 12355), (2471, 11570), (3115, 9178), (3530, 8099), (4589, 6230), (4942, 5785)]