1891686745

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{587}}^1\times {\mathrm{1153}}^1$

素因数の和:1801

約数の個数: 32

約数和(自身を含む): 2507928192

約数和(自身を除く): 616241447

約数列:

[1, 5, 13, 43, 65, 215, 559, 587, 1153, 2795, 2935, 5765, 7631, 14989, 25241, 38155, 49579, 74945, 126205, 247895, 328133, 644527, 676811, 1640665, 3222635, 3384055, 8798543, 29102873, 43992715, 145514365, 378337349, 1891686745]

約数ペア:

[(1, 1891686745), (5, 378337349), (13, 145514365), (43, 43992715), (65, 29102873), (215, 8798543), (559, 3384055), (587, 3222635), (1153, 1640665), (2795, 676811), (2935, 644527), (5765, 328133), (7631, 247895), (14989, 126205), (25241, 74945), (38155, 49579)]