65571056

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{197}}^1\times {\mathrm{293}}^1$

素因数の和:569

約数の個数: 40

約数和(自身を含む): 129929184

約数和(自身を除く): 64358128

約数列:

[1, 2, 4, 8, 16, 71, 142, 197, 284, 293, 394, 568, 586, 788, 1136, 1172, 1576, 2344, 3152, 4688, 13987, 20803, 27974, 41606, 55948, 57721, 83212, 111896, 115442, 166424, 223792, 230884, 332848, 461768, 923536, 4098191, 8196382, 16392764, 32785528, 65571056]

約数ペア:

[(1, 65571056), (2, 32785528), (4, 16392764), (8, 8196382), (16, 4098191), (71, 923536), (142, 461768), (197, 332848), (284, 230884), (293, 223792), (394, 166424), (568, 115442), (586, 111896), (788, 83212), (1136, 57721), (1172, 55948), (1576, 41606), (2344, 27974), (3152, 20803), (4688, 13987)]