31489304

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1$

素因数の和:169

約数の個数: 128

約数和(自身を含む): 81285120

約数和(自身を除く): 49795816

約数列:

[1, 2, 4, 7, 8, 11, 14, 17, 22, 28, 31, 34, 44, 56, 62, 68, 77, 88, 97, 119, 124, 136, 154, 187, 194, 217, 238, 248, 308, 341, 374, 388, 434, 476, 527, 616, 679, 682, 748, 776, 868, 952, 1054, 1067, 1309, 1358, 1364, 1496, 1649, 1736, 2108, 2134, 2387, 2618, 2716, 2728, 3007, 3298, 3689, 4216, 4268, 4774, 5236, 5432, 5797, 6014, 6596, 7378, 7469, 8536, 9548, 10472, 11543, 11594, 12028, 13192, 14756, 14938, 18139, 19096, 21049, 23086, 23188, 24056, 29512, 29876, 33077, 36278, 40579, 42098, 46172, 46376, 51119, 59752, 66154, 72556, 81158, 84196, 92344, 102238, 126973, 132308, 145112, 162316, 168392, 204476, 231539, 253946, 264616, 324632, 357833, 408952, 463078, 507892, 562309, 715666, 926156, 1015784, 1124618, 1431332, 1852312, 2249236, 2862664, 3936163, 4498472, 7872326, 15744652, 31489304]

約数ペア:

[(1, 31489304), (2, 15744652), (4, 7872326), (7, 4498472), (8, 3936163), (11, 2862664), (14, 2249236), (17, 1852312), (22, 1431332), (28, 1124618), (31, 1015784), (34, 926156), (44, 715666), (56, 562309), (62, 507892), (68, 463078), (77, 408952), (88, 357833), (97, 324632), (119, 264616), (124, 253946), (136, 231539), (154, 204476), (187, 168392), (194, 162316), (217, 145112), (238, 132308), (248, 126973), (308, 102238), (341, 92344), (374, 84196), (388, 81158), (434, 72556), (476, 66154), (527, 59752), (616, 51119), (679, 46376), (682, 46172), (748, 42098), (776, 40579), (868, 36278), (952, 33077), (1054, 29876), (1067, 29512), (1309, 24056), (1358, 23188), (1364, 23086), (1496, 21049), (1649, 19096), (1736, 18139), (2108, 14938), (2134, 14756), (2387, 13192), (2618, 12028), (2716, 11594), (2728, 11543), (3007, 10472), (3298, 9548), (3689, 8536), (4216, 7469), (4268, 7378), (4774, 6596), (5236, 6014), (5432, 5797)]