71515772

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{97}}^1\times {\mathrm{109}}^1$

素因数の和:318

約数の個数: 48

約数和(自身を含む): 135828000

約数和(自身を除く): 64312228

約数列:

[1, 2, 4, 19, 38, 76, 89, 97, 109, 178, 194, 218, 356, 388, 436, 1691, 1843, 2071, 3382, 3686, 4142, 6764, 7372, 8284, 8633, 9701, 10573, 17266, 19402, 21146, 34532, 38804, 42292, 164027, 184319, 200887, 328054, 368638, 401774, 656108, 737276, 803548, 940997, 1881994, 3763988, 17878943, 35757886, 71515772]

約数ペア:

[(1, 71515772), (2, 35757886), (4, 17878943), (19, 3763988), (38, 1881994), (76, 940997), (89, 803548), (97, 737276), (109, 656108), (178, 401774), (194, 368638), (218, 328054), (356, 200887), (388, 184319), (436, 164027), (1691, 42292), (1843, 38804), (2071, 34532), (3382, 21146), (3686, 19402), (4142, 17266), (6764, 10573), (7372, 9701), (8284, 8633)]