28745976

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{397}}^1\times {\mathrm{431}}^1$

素因数の和:844

約数の個数: 64

約数和(自身を含む): 82529280

約数和(自身を除く): 53783304

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 397, 431, 794, 862, 1191, 1293, 1588, 1724, 2382, 2586, 2779, 3017, 3176, 3448, 4764, 5172, 5558, 6034, 8337, 9051, 9528, 10344, 11116, 12068, 16674, 18102, 22232, 24136, 33348, 36204, 66696, 72408, 171107, 342214, 513321, 684428, 1026642, 1197749, 1368856, 2053284, 2395498, 3593247, 4106568, 4790996, 7186494, 9581992, 14372988, 28745976]

約数ペア:

[(1, 28745976), (2, 14372988), (3, 9581992), (4, 7186494), (6, 4790996), (7, 4106568), (8, 3593247), (12, 2395498), (14, 2053284), (21, 1368856), (24, 1197749), (28, 1026642), (42, 684428), (56, 513321), (84, 342214), (168, 171107), (397, 72408), (431, 66696), (794, 36204), (862, 33348), (1191, 24136), (1293, 22232), (1588, 18102), (1724, 16674), (2382, 12068), (2586, 11116), (2779, 10344), (3017, 9528), (3176, 9051), (3448, 8337), (4764, 6034), (5172, 5558)]