25428366

素因数分解:

$2^1\times 3^2\times {\mathrm{71}}^1\times {\mathrm{101}}^1\times {\mathrm{197}}^1$

素因数の和:377

約数の個数: 48

約数和(自身を含む): 56710368

約数和(自身を除く): 31282002

約数列:

[1, 2, 3, 6, 9, 18, 71, 101, 142, 197, 202, 213, 303, 394, 426, 591, 606, 639, 909, 1182, 1278, 1773, 1818, 3546, 7171, 13987, 14342, 19897, 21513, 27974, 39794, 41961, 43026, 59691, 64539, 83922, 119382, 125883, 129078, 179073, 251766, 358146, 1412687, 2825374, 4238061, 8476122, 12714183, 25428366]

約数ペア:

[(1, 25428366), (2, 12714183), (3, 8476122), (6, 4238061), (9, 2825374), (18, 1412687), (71, 358146), (101, 251766), (142, 179073), (197, 129078), (202, 125883), (213, 119382), (303, 83922), (394, 64539), (426, 59691), (591, 43026), (606, 41961), (639, 39794), (909, 27974), (1182, 21513), (1278, 19897), (1773, 14342), (1818, 13987), (3546, 7171)]