28938312

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{719}}^1$

素因数の和:787

約数の個数: 96

約数和(自身を含む): 86486400

約数和(自身を除く): 57548088

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 36, 39, 43, 52, 72, 78, 86, 104, 117, 129, 156, 172, 234, 258, 312, 344, 387, 468, 516, 559, 719, 774, 936, 1032, 1118, 1438, 1548, 1677, 2157, 2236, 2876, 3096, 3354, 4314, 4472, 5031, 5752, 6471, 6708, 8628, 9347, 10062, 12942, 13416, 17256, 18694, 20124, 25884, 28041, 30917, 37388, 40248, 51768, 56082, 61834, 74776, 84123, 92751, 112164, 123668, 168246, 185502, 224328, 247336, 278253, 336492, 371004, 401921, 556506, 672984, 742008, 803842, 1113012, 1205763, 1607684, 2226024, 2411526, 3215368, 3617289, 4823052, 7234578, 9646104, 14469156, 28938312]

約数ペア:

[(1, 28938312), (2, 14469156), (3, 9646104), (4, 7234578), (6, 4823052), (8, 3617289), (9, 3215368), (12, 2411526), (13, 2226024), (18, 1607684), (24, 1205763), (26, 1113012), (36, 803842), (39, 742008), (43, 672984), (52, 556506), (72, 401921), (78, 371004), (86, 336492), (104, 278253), (117, 247336), (129, 224328), (156, 185502), (172, 168246), (234, 123668), (258, 112164), (312, 92751), (344, 84123), (387, 74776), (468, 61834), (516, 56082), (559, 51768), (719, 40248), (774, 37388), (936, 30917), (1032, 28041), (1118, 25884), (1438, 20124), (1548, 18694), (1677, 17256), (2157, 13416), (2236, 12942), (2876, 10062), (3096, 9347), (3354, 8628), (4314, 6708), (4472, 6471), (5031, 5752)]