28787382

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{2861}}^1$

素因数の和:2925

約数の個数: 48

約数和(自身を含む): 68756688

約数和(自身を除く): 39969306

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 43, 78, 86, 117, 129, 234, 258, 387, 559, 774, 1118, 1677, 2861, 3354, 5031, 5722, 8583, 10062, 17166, 25749, 37193, 51498, 74386, 111579, 123023, 223158, 246046, 334737, 369069, 669474, 738138, 1107207, 1599299, 2214414, 3198598, 4797897, 9595794, 14393691, 28787382]

約数ペア:

[(1, 28787382), (2, 14393691), (3, 9595794), (6, 4797897), (9, 3198598), (13, 2214414), (18, 1599299), (26, 1107207), (39, 738138), (43, 669474), (78, 369069), (86, 334737), (117, 246046), (129, 223158), (234, 123023), (258, 111579), (387, 74386), (559, 51498), (774, 37193), (1118, 25749), (1677, 17166), (2861, 10062), (3354, 8583), (5031, 5722)]