78891470

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{233}}^1\times {\mathrm{691}}^1$

素因数の和:945

約数の個数: 48

約数和(自身を含む): 166138128

約数和(自身を除く): 87246658

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 233, 245, 466, 490, 691, 1165, 1382, 1631, 2330, 3262, 3455, 4837, 6910, 8155, 9674, 11417, 16310, 22834, 24185, 33859, 48370, 57085, 67718, 114170, 161003, 169295, 322006, 338590, 805015, 1127021, 1610030, 2254042, 5635105, 7889147, 11270210, 15778294, 39445735, 78891470]

約数ペア:

[(1, 78891470), (2, 39445735), (5, 15778294), (7, 11270210), (10, 7889147), (14, 5635105), (35, 2254042), (49, 1610030), (70, 1127021), (98, 805015), (233, 338590), (245, 322006), (466, 169295), (490, 161003), (691, 114170), (1165, 67718), (1382, 57085), (1631, 48370), (2330, 33859), (3262, 24185), (3455, 22834), (4837, 16310), (6910, 11417), (8155, 9674)]