28564578

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{103}}^1$

素因数の和:220

約数の個数: 96

約数和(自身を含む): 74760192

約数和(自身を除く): 46195614

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 31, 42, 62, 63, 71, 93, 103, 126, 142, 186, 206, 213, 217, 279, 309, 426, 434, 497, 558, 618, 639, 651, 721, 927, 994, 1278, 1302, 1442, 1491, 1854, 1953, 2163, 2201, 2982, 3193, 3906, 4326, 4402, 4473, 6386, 6489, 6603, 7313, 8946, 9579, 12978, 13206, 14626, 15407, 19158, 19809, 21939, 22351, 28737, 30814, 39618, 43878, 44702, 46221, 51191, 57474, 65817, 67053, 92442, 102382, 131634, 134106, 138663, 153573, 201159, 226703, 277326, 307146, 402318, 453406, 460719, 680109, 921438, 1360218, 1586921, 2040327, 3173842, 4080654, 4760763, 9521526, 14282289, 28564578]

約数ペア:

[(1, 28564578), (2, 14282289), (3, 9521526), (6, 4760763), (7, 4080654), (9, 3173842), (14, 2040327), (18, 1586921), (21, 1360218), (31, 921438), (42, 680109), (62, 460719), (63, 453406), (71, 402318), (93, 307146), (103, 277326), (126, 226703), (142, 201159), (186, 153573), (206, 138663), (213, 134106), (217, 131634), (279, 102382), (309, 92442), (426, 67053), (434, 65817), (497, 57474), (558, 51191), (618, 46221), (639, 44702), (651, 43878), (721, 39618), (927, 30814), (994, 28737), (1278, 22351), (1302, 21939), (1442, 19809), (1491, 19158), (1854, 15407), (1953, 14626), (2163, 13206), (2201, 12978), (2982, 9579), (3193, 8946), (3906, 7313), (4326, 6603), (4402, 6489), (4473, 6386)]