25971965

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{103}}^1$

素因数の和:221

約数の個数: 32

約数和(自身を含む): 34145280

約数和(自身を除く): 8173315

約数列:

[1, 5, 29, 37, 47, 103, 145, 185, 235, 515, 1073, 1363, 1739, 2987, 3811, 4841, 5365, 6815, 8695, 14935, 19055, 24205, 50431, 110519, 140389, 179117, 252155, 552595, 701945, 895585, 5194393, 25971965]

約数ペア:

[(1, 25971965), (5, 5194393), (29, 895585), (37, 701945), (47, 552595), (103, 252155), (145, 179117), (185, 140389), (235, 110519), (515, 50431), (1073, 24205), (1363, 19055), (1739, 14935), (2987, 8695), (3811, 6815), (4841, 5365)]