128371124

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{2083}}^1$

素因数の和:2196

約数の個数: 48

約数和(自身を含む): 268886016

約数和(自身を除く): 140514892

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 71, 124, 142, 217, 284, 434, 497, 868, 994, 1988, 2083, 2201, 4166, 4402, 8332, 8804, 14581, 15407, 29162, 30814, 58324, 61628, 64573, 129146, 147893, 258292, 295786, 452011, 591572, 904022, 1035251, 1808044, 2070502, 4141004, 4584683, 9169366, 18338732, 32092781, 64185562, 128371124]

約数ペア:

[(1, 128371124), (2, 64185562), (4, 32092781), (7, 18338732), (14, 9169366), (28, 4584683), (31, 4141004), (62, 2070502), (71, 1808044), (124, 1035251), (142, 904022), (217, 591572), (284, 452011), (434, 295786), (497, 258292), (868, 147893), (994, 129146), (1988, 64573), (2083, 61628), (2201, 58324), (4166, 30814), (4402, 29162), (8332, 15407), (8804, 14581)]