99870745

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{193}}^1\times {\mathrm{419}}^1$

素因数の和:649

約数の個数: 32

約数和(自身を含む): 136886400

約数和(自身を除く): 37015655

約数列:

[1, 5, 13, 19, 65, 95, 193, 247, 419, 965, 1235, 2095, 2509, 3667, 5447, 7961, 12545, 18335, 27235, 39805, 47671, 80867, 103493, 238355, 404335, 517465, 1051271, 1536473, 5256355, 7682365, 19974149, 99870745]

約数ペア:

[(1, 99870745), (5, 19974149), (13, 7682365), (19, 5256355), (65, 1536473), (95, 1051271), (193, 517465), (247, 404335), (419, 238355), (965, 103493), (1235, 80867), (2095, 47671), (2509, 39805), (3667, 27235), (5447, 18335), (7961, 12545)]