98996821

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{431}}^1$

素因数の和:625

約数の個数: 32

約数和(自身を含む): 131051520

約数和(自身を除く): 32054699

約数列:

[1, 7, 11, 19, 77, 133, 157, 209, 431, 1099, 1463, 1727, 2983, 3017, 4741, 8189, 12089, 20881, 32813, 33187, 57323, 67667, 90079, 229691, 473669, 630553, 744337, 1285673, 5210359, 8999711, 14142403, 98996821]

約数ペア:

[(1, 98996821), (7, 14142403), (11, 8999711), (19, 5210359), (77, 1285673), (133, 744337), (157, 630553), (209, 473669), (431, 229691), (1099, 90079), (1463, 67667), (1727, 57323), (2983, 33187), (3017, 32813), (4741, 20881), (8189, 12089)]