28739986

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{107}}^1\times {\mathrm{421}}^1$

素因数の和:570

約数の個数: 32

約数和(自身を含む): 49222080

約数和(自身を除く): 20482094

約数列:

[1, 2, 11, 22, 29, 58, 107, 214, 319, 421, 638, 842, 1177, 2354, 3103, 4631, 6206, 9262, 12209, 24418, 34133, 45047, 68266, 90094, 134299, 268598, 495517, 991034, 1306363, 2612726, 14369993, 28739986]

約数ペア:

[(1, 28739986), (2, 14369993), (11, 2612726), (22, 1306363), (29, 991034), (58, 495517), (107, 268598), (214, 134299), (319, 90094), (421, 68266), (638, 45047), (842, 34133), (1177, 24418), (2354, 12209), (3103, 9262), (4631, 6206)]