1921675679

素因数分解:

$7^3\times {\mathrm{11}}^1\times {\mathrm{151}}^1\times {\mathrm{3373}}^1$

素因数の和:3556

約数の個数: 32

約数和(自身を含む): 2461670400

約数和(自身を除く): 539994721

約数列:

[1, 7, 11, 49, 77, 151, 343, 539, 1057, 1661, 3373, 3773, 7399, 11627, 23611, 37103, 51793, 81389, 165277, 259721, 509323, 569723, 1156939, 1818047, 3565261, 5602553, 12726329, 24956827, 39217871, 174697789, 274525097, 1921675679]

約数ペア:

[(1, 1921675679), (7, 274525097), (11, 174697789), (49, 39217871), (77, 24956827), (151, 12726329), (343, 5602553), (539, 3565261), (1057, 1818047), (1661, 1156939), (3373, 569723), (3773, 509323), (7399, 259721), (11627, 165277), (23611, 81389), (37103, 51793)]