56990479

素因数分解:

$7^3\times {\mathrm{13}}^1\times {\mathrm{12781}}^1$

素因数の和:12815

約数の個数: 16

約数和(自身を含む): 71579200

約数和(自身を除く): 14588721

約数列:

[1, 7, 13, 49, 91, 343, 637, 4459, 12781, 89467, 166153, 626269, 1163071, 4383883, 8141497, 56990479]

約数ペア:

[(1, 56990479), (7, 8141497), (13, 4383883), (49, 1163071), (91, 626269), (343, 166153), (637, 89467), (4459, 12781)]