28671078

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{107}}^1$

素因数の和:237

約数の個数: 64

約数和(自身を含む): 63825408

約数和(自身を除く): 35154330

約数列:

[1, 2, 3, 6, 17, 34, 37, 51, 71, 74, 102, 107, 111, 142, 213, 214, 222, 321, 426, 629, 642, 1207, 1258, 1819, 1887, 2414, 2627, 3621, 3638, 3774, 3959, 5254, 5457, 7242, 7597, 7881, 7918, 10914, 11877, 15194, 15762, 22791, 23754, 44659, 45582, 67303, 89318, 129149, 133977, 134606, 201909, 258298, 267954, 281089, 387447, 403818, 562178, 774894, 843267, 1686534, 4778513, 9557026, 14335539, 28671078]

約数ペア:

[(1, 28671078), (2, 14335539), (3, 9557026), (6, 4778513), (17, 1686534), (34, 843267), (37, 774894), (51, 562178), (71, 403818), (74, 387447), (102, 281089), (107, 267954), (111, 258298), (142, 201909), (213, 134606), (214, 133977), (222, 129149), (321, 89318), (426, 67303), (629, 45582), (642, 44659), (1207, 23754), (1258, 22791), (1819, 15762), (1887, 15194), (2414, 11877), (2627, 10914), (3621, 7918), (3638, 7881), (3774, 7597), (3959, 7242), (5254, 5457)]