28703738

素因数分解:

$2^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{431}}^1$

素因数の和:578

約数の個数: 32

約数和(自身を含む): 50761728

約数和(自身を除く): 22057990

約数列:

[1, 2, 7, 14, 67, 71, 134, 142, 431, 469, 497, 862, 938, 994, 3017, 4757, 6034, 9514, 28877, 30601, 33299, 57754, 61202, 66598, 202139, 214207, 404278, 428414, 2050267, 4100534, 14351869, 28703738]

約数ペア:

[(1, 28703738), (2, 14351869), (7, 4100534), (14, 2050267), (67, 428414), (71, 404278), (134, 214207), (142, 202139), (431, 66598), (469, 61202), (497, 57754), (862, 33299), (938, 30601), (994, 28877), (3017, 9514), (4757, 6034)]