15643745

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{239}}^1$

素因数の和:329

約数の個数: 32

約数和(自身を含む): 21772800

約数和(自身を除く): 6129055

約数列:

[1, 5, 13, 19, 53, 65, 95, 239, 247, 265, 689, 1007, 1195, 1235, 3107, 3445, 4541, 5035, 12667, 13091, 15535, 22705, 59033, 63335, 65455, 164671, 240673, 295165, 823355, 1203365, 3128749, 15643745]

約数ペア:

[(1, 15643745), (5, 3128749), (13, 1203365), (19, 823355), (53, 295165), (65, 240673), (95, 164671), (239, 65455), (247, 63335), (265, 59033), (689, 22705), (1007, 15535), (1195, 13091), (1235, 12667), (3107, 5035), (3445, 4541)]