25416828

素因数分解:

$2^2\times 3^5\times {\mathrm{79}}^1\times {\mathrm{331}}^1$

素因数の和:429

約数の個数: 72

約数和(自身を含む): 67674880

約数和(自身を除く): 42258052

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 79, 81, 108, 158, 162, 237, 243, 316, 324, 331, 474, 486, 662, 711, 948, 972, 993, 1324, 1422, 1986, 2133, 2844, 2979, 3972, 4266, 5958, 6399, 8532, 8937, 11916, 12798, 17874, 19197, 25596, 26149, 26811, 35748, 38394, 52298, 53622, 76788, 78447, 80433, 104596, 107244, 156894, 160866, 235341, 313788, 321732, 470682, 706023, 941364, 1412046, 2118069, 2824092, 4236138, 6354207, 8472276, 12708414, 25416828]

約数ペア:

[(1, 25416828), (2, 12708414), (3, 8472276), (4, 6354207), (6, 4236138), (9, 2824092), (12, 2118069), (18, 1412046), (27, 941364), (36, 706023), (54, 470682), (79, 321732), (81, 313788), (108, 235341), (158, 160866), (162, 156894), (237, 107244), (243, 104596), (316, 80433), (324, 78447), (331, 76788), (474, 53622), (486, 52298), (662, 38394), (711, 35748), (948, 26811), (972, 26149), (993, 25596), (1324, 19197), (1422, 17874), (1986, 12798), (2133, 11916), (2844, 8937), (2979, 8532), (3972, 6399), (4266, 5958)]