28321176

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{2111}}^1$

素因数の和:2176

約数の個数: 64

約数和(自身を含む): 78059520

約数和(自身を除く): 49738344

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 43, 52, 78, 86, 104, 129, 156, 172, 258, 312, 344, 516, 559, 1032, 1118, 1677, 2111, 2236, 3354, 4222, 4472, 6333, 6708, 8444, 12666, 13416, 16888, 25332, 27443, 50664, 54886, 82329, 90773, 109772, 164658, 181546, 219544, 272319, 329316, 363092, 544638, 658632, 726184, 1089276, 1180049, 2178552, 2360098, 3540147, 4720196, 7080294, 9440392, 14160588, 28321176]

約数ペア:

[(1, 28321176), (2, 14160588), (3, 9440392), (4, 7080294), (6, 4720196), (8, 3540147), (12, 2360098), (13, 2178552), (24, 1180049), (26, 1089276), (39, 726184), (43, 658632), (52, 544638), (78, 363092), (86, 329316), (104, 272319), (129, 219544), (156, 181546), (172, 164658), (258, 109772), (312, 90773), (344, 82329), (516, 54886), (559, 50664), (1032, 27443), (1118, 25332), (1677, 16888), (2111, 13416), (2236, 12666), (3354, 8444), (4222, 6708), (4472, 6333)]