128339939

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{811}}^1$

素因数の和:915

約数の個数: 32

約数和(自身を含む): 165881856

約数和(自身を除く): 37541917

約数列:

[1, 7, 13, 37, 47, 91, 259, 329, 481, 611, 811, 1739, 3367, 4277, 5677, 10543, 12173, 22607, 30007, 38117, 73801, 158249, 210049, 266819, 390091, 495521, 1410329, 2730637, 3468647, 9872303, 18334277, 128339939]

約数ペア:

[(1, 128339939), (7, 18334277), (13, 9872303), (37, 3468647), (47, 2730637), (91, 1410329), (259, 495521), (329, 390091), (481, 266819), (611, 210049), (811, 158249), (1739, 73801), (3367, 38117), (4277, 30007), (5677, 22607), (10543, 12173)]