155493758

素因数分解:

$2^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{37}}^2\times {\mathrm{61}}^1$

素因数の和:170

約数の個数: 72

約数和(自身を含む): 298340280

約数和(自身を除く): 142846522

約数列:

[1, 2, 7, 14, 19, 37, 38, 49, 61, 74, 98, 122, 133, 259, 266, 427, 518, 703, 854, 931, 1159, 1369, 1406, 1813, 1862, 2257, 2318, 2738, 2989, 3626, 4514, 4921, 5978, 8113, 9583, 9842, 15799, 16226, 19166, 26011, 31598, 34447, 42883, 52022, 56791, 67081, 68894, 83509, 85766, 110593, 113582, 134162, 167018, 182077, 221186, 300181, 364154, 584563, 600362, 1169126, 1274539, 1586671, 2101267, 2549078, 3173342, 4091941, 4202534, 8183882, 11106697, 22213394, 77746879, 155493758]

約数ペア:

[(1, 155493758), (2, 77746879), (7, 22213394), (14, 11106697), (19, 8183882), (37, 4202534), (38, 4091941), (49, 3173342), (61, 2549078), (74, 2101267), (98, 1586671), (122, 1274539), (133, 1169126), (259, 600362), (266, 584563), (427, 364154), (518, 300181), (703, 221186), (854, 182077), (931, 167018), (1159, 134162), (1369, 113582), (1406, 110593), (1813, 85766), (1862, 83509), (2257, 68894), (2318, 67081), (2738, 56791), (2989, 52022), (3626, 42883), (4514, 34447), (4921, 31598), (5978, 26011), (8113, 19166), (9583, 16226), (9842, 15799)]