218905008

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{651503}}^1$

素因数の和:651521

約数の個数: 40

約数和(自身を含む): 646291968

約数和(自身を除く): 427386960

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 336, 651503, 1303006, 1954509, 2606012, 3909018, 4560521, 5212024, 7818036, 9121042, 10424048, 13681563, 15636072, 18242084, 27363126, 31272144, 36484168, 54726252, 72968336, 109452504, 218905008]

約数ペア:

[(1, 218905008), (2, 109452504), (3, 72968336), (4, 54726252), (6, 36484168), (7, 31272144), (8, 27363126), (12, 18242084), (14, 15636072), (16, 13681563), (21, 10424048), (24, 9121042), (28, 7818036), (42, 5212024), (48, 4560521), (56, 3909018), (84, 2606012), (112, 1954509), (168, 1303006), (336, 651503)]