128708216

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{176797}}^1$

素因数の和:176823

約数の個数: 32

約数和(自身を含む): 297020640

約数和(自身を除く): 168312424

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 182, 364, 728, 176797, 353594, 707188, 1237579, 1414376, 2298361, 2475158, 4596722, 4950316, 9193444, 9900632, 16088527, 18386888, 32177054, 64354108, 128708216]

約数ペア:

[(1, 128708216), (2, 64354108), (4, 32177054), (7, 18386888), (8, 16088527), (13, 9900632), (14, 9193444), (26, 4950316), (28, 4596722), (52, 2475158), (56, 2298361), (91, 1414376), (104, 1237579), (182, 707188), (364, 353594), (728, 176797)]