40403402

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{509}}^1$

素因数の和:638

約数の個数: 32

約数和(自身を含む): 67858560

約数和(自身を除く): 27455158

約数列:

[1, 2, 13, 26, 43, 71, 86, 142, 509, 559, 923, 1018, 1118, 1846, 3053, 6106, 6617, 13234, 21887, 36139, 39689, 43774, 72278, 79378, 284531, 469807, 569062, 939614, 1553977, 3107954, 20201701, 40403402]

約数ペア:

[(1, 40403402), (2, 20201701), (13, 3107954), (26, 1553977), (43, 939614), (71, 569062), (86, 469807), (142, 284531), (509, 79378), (559, 72278), (923, 43774), (1018, 39689), (1118, 36139), (1846, 21887), (3053, 13234), (6106, 6617)]