28436408

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1$

素因数の和:157

約数の個数: 128

約数和(自身を含む): 74027520

約数和(自身を除く): 45591112

約数列:

[1, 2, 4, 7, 8, 11, 13, 14, 22, 26, 28, 44, 52, 53, 56, 67, 77, 88, 91, 104, 106, 134, 143, 154, 182, 212, 268, 286, 308, 364, 371, 424, 469, 536, 572, 583, 616, 689, 728, 737, 742, 871, 938, 1001, 1144, 1166, 1378, 1474, 1484, 1742, 1876, 2002, 2332, 2756, 2948, 2968, 3484, 3551, 3752, 4004, 4081, 4664, 4823, 5159, 5512, 5896, 6097, 6968, 7102, 7579, 8008, 8162, 9581, 9646, 10318, 12194, 14204, 15158, 16324, 19162, 19292, 20636, 24388, 24857, 28408, 30316, 32648, 38324, 38584, 39061, 41272, 46163, 48776, 49714, 53053, 60632, 67067, 76648, 78122, 92326, 99428, 106106, 134134, 156244, 184652, 198856, 212212, 268268, 273427, 312488, 323141, 369304, 424424, 507793, 536536, 546854, 646282, 1015586, 1093708, 1292564, 2031172, 2187416, 2585128, 3554551, 4062344, 7109102, 14218204, 28436408]

約数ペア:

[(1, 28436408), (2, 14218204), (4, 7109102), (7, 4062344), (8, 3554551), (11, 2585128), (13, 2187416), (14, 2031172), (22, 1292564), (26, 1093708), (28, 1015586), (44, 646282), (52, 546854), (53, 536536), (56, 507793), (67, 424424), (77, 369304), (88, 323141), (91, 312488), (104, 273427), (106, 268268), (134, 212212), (143, 198856), (154, 184652), (182, 156244), (212, 134134), (268, 106106), (286, 99428), (308, 92326), (364, 78122), (371, 76648), (424, 67067), (469, 60632), (536, 53053), (572, 49714), (583, 48776), (616, 46163), (689, 41272), (728, 39061), (737, 38584), (742, 38324), (871, 32648), (938, 30316), (1001, 28408), (1144, 24857), (1166, 24388), (1378, 20636), (1474, 19292), (1484, 19162), (1742, 16324), (1876, 15158), (2002, 14204), (2332, 12194), (2756, 10318), (2948, 9646), (2968, 9581), (3484, 8162), (3551, 8008), (3752, 7579), (4004, 7102), (4081, 6968), (4664, 6097), (4823, 5896), (5159, 5512)]