87380816

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{241}}^1$

素因数の和:340

約数の個数: 80

約数和(自身を含む): 190130688

約数和(自身を除く): 102749872

約数列:

[1, 2, 4, 8, 16, 17, 31, 34, 43, 62, 68, 86, 124, 136, 172, 241, 248, 272, 344, 482, 496, 527, 688, 731, 964, 1054, 1333, 1462, 1928, 2108, 2666, 2924, 3856, 4097, 4216, 5332, 5848, 7471, 8194, 8432, 10363, 10664, 11696, 14942, 16388, 20726, 21328, 22661, 29884, 32776, 41452, 45322, 59768, 65552, 82904, 90644, 119536, 127007, 165808, 176171, 181288, 254014, 321253, 352342, 362576, 508028, 642506, 704684, 1016056, 1285012, 1409368, 2032112, 2570024, 2818736, 5140048, 5461301, 10922602, 21845204, 43690408, 87380816]

約数ペア:

[(1, 87380816), (2, 43690408), (4, 21845204), (8, 10922602), (16, 5461301), (17, 5140048), (31, 2818736), (34, 2570024), (43, 2032112), (62, 1409368), (68, 1285012), (86, 1016056), (124, 704684), (136, 642506), (172, 508028), (241, 362576), (248, 352342), (272, 321253), (344, 254014), (482, 181288), (496, 176171), (527, 165808), (688, 127007), (731, 119536), (964, 90644), (1054, 82904), (1333, 65552), (1462, 59768), (1928, 45322), (2108, 41452), (2666, 32776), (2924, 29884), (3856, 22661), (4097, 21328), (4216, 20726), (5332, 16388), (5848, 14942), (7471, 11696), (8194, 10664), (8432, 10363)]