281981168

素因数分解:

$2^4\times 7^1\times {\mathrm{131}}^1\times {\mathrm{19219}}^1$

素因数の和:19365

約数の個数: 40

約数和(自身を含む): 629185920

約数和(自身を除く): 347204752

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 131, 262, 524, 917, 1048, 1834, 2096, 3668, 7336, 14672, 19219, 38438, 76876, 134533, 153752, 269066, 307504, 538132, 1076264, 2152528, 2517689, 5035378, 10070756, 17623823, 20141512, 35247646, 40283024, 70495292, 140990584, 281981168]

約数ペア:

[(1, 281981168), (2, 140990584), (4, 70495292), (7, 40283024), (8, 35247646), (14, 20141512), (16, 17623823), (28, 10070756), (56, 5035378), (112, 2517689), (131, 2152528), (262, 1076264), (524, 538132), (917, 307504), (1048, 269066), (1834, 153752), (2096, 134533), (3668, 76876), (7336, 38438), (14672, 19219)]