289399748

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{991}}^1\times {\mathrm{6637}}^1$

素因数の和:7643

約数の個数: 24

約数和(自身を含む): 553131264

約数和(自身を除く): 263731516

約数列:

[1, 2, 4, 11, 22, 44, 991, 1982, 3964, 6637, 10901, 13274, 21802, 26548, 43604, 73007, 146014, 292028, 6577267, 13154534, 26309068, 72349937, 144699874, 289399748]

約数ペア:

[(1, 289399748), (2, 144699874), (4, 72349937), (11, 26309068), (22, 13154534), (44, 6577267), (991, 292028), (1982, 146014), (3964, 73007), (6637, 43604), (10901, 26548), (13274, 21802)]