28411376

素因数分解:

$2^4\times 7^3\times {\mathrm{31}}^1\times {\mathrm{167}}^1$

素因数の和:227

約数の個数: 80

約数和(自身を含む): 66662400

約数和(自身を除く): 38251024

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 49, 56, 62, 98, 112, 124, 167, 196, 217, 248, 334, 343, 392, 434, 496, 668, 686, 784, 868, 1169, 1336, 1372, 1519, 1736, 2338, 2672, 2744, 3038, 3472, 4676, 5177, 5488, 6076, 8183, 9352, 10354, 10633, 12152, 16366, 18704, 20708, 21266, 24304, 32732, 36239, 41416, 42532, 57281, 65464, 72478, 82832, 85064, 114562, 130928, 144956, 170128, 229124, 253673, 289912, 458248, 507346, 579824, 916496, 1014692, 1775711, 2029384, 3551422, 4058768, 7102844, 14205688, 28411376]

約数ペア:

[(1, 28411376), (2, 14205688), (4, 7102844), (7, 4058768), (8, 3551422), (14, 2029384), (16, 1775711), (28, 1014692), (31, 916496), (49, 579824), (56, 507346), (62, 458248), (98, 289912), (112, 253673), (124, 229124), (167, 170128), (196, 144956), (217, 130928), (248, 114562), (334, 85064), (343, 82832), (392, 72478), (434, 65464), (496, 57281), (668, 42532), (686, 41416), (784, 36239), (868, 32732), (1169, 24304), (1336, 21266), (1372, 20708), (1519, 18704), (1736, 16366), (2338, 12152), (2672, 10633), (2744, 10354), (3038, 9352), (3472, 8183), (4676, 6076), (5177, 5488)]