2581418

素因数分解:

$2^1\times 7^3\times {\mathrm{53}}^1\times {\mathrm{71}}^1$

素因数の和:147

約数の個数: 32

約数和(自身を含む): 4665600

約数和(自身を除く): 2084182

約数列:

[1, 2, 7, 14, 49, 53, 71, 98, 106, 142, 343, 371, 497, 686, 742, 994, 2597, 3479, 3763, 5194, 6958, 7526, 18179, 24353, 26341, 36358, 48706, 52682, 184387, 368774, 1290709, 2581418]

約数ペア:

[(1, 2581418), (2, 1290709), (7, 368774), (14, 184387), (49, 52682), (53, 48706), (71, 36358), (98, 26341), (106, 24353), (142, 18179), (343, 7526), (371, 6958), (497, 5194), (686, 3763), (742, 3479), (994, 2597)]