155702872

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{78797}}^1$

素因数の和:78835

約数の個数: 32

約数和(自身を含む): 330951600

約数和(自身を除く): 175248728

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 104, 152, 247, 494, 988, 1976, 78797, 157594, 315188, 630376, 1024361, 1497143, 2048722, 2994286, 4097444, 5988572, 8194888, 11977144, 19462859, 38925718, 77851436, 155702872]

約数ペア:

[(1, 155702872), (2, 77851436), (4, 38925718), (8, 19462859), (13, 11977144), (19, 8194888), (26, 5988572), (38, 4097444), (52, 2994286), (76, 2048722), (104, 1497143), (152, 1024361), (247, 630376), (494, 315188), (988, 157594), (1976, 78797)]