28610561

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{389}}^1$

素因数の和:501

約数の個数: 24

約数和(自身を含む): 35568000

約数和(自身を除く): 6957439

約数列:

[1, 7, 19, 49, 79, 133, 389, 553, 931, 1501, 2723, 3871, 7391, 10507, 19061, 30731, 51737, 73549, 215117, 362159, 583889, 1505819, 4087223, 28610561]

約数ペア:

[(1, 28610561), (7, 4087223), (19, 1505819), (49, 583889), (79, 362159), (133, 215117), (389, 73549), (553, 51737), (931, 30731), (1501, 19061), (2723, 10507), (3871, 7391)]