318847984

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{218989}}^1$

素因数の和:219017

約数の個数: 40

約数和(自身を含む): 760333280

約数和(自身を除く): 441485296

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 728, 1456, 218989, 437978, 875956, 1532923, 1751912, 2846857, 3065846, 3503824, 5693714, 6131692, 11387428, 12263384, 19927999, 22774856, 24526768, 39855998, 45549712, 79711996, 159423992, 318847984]

約数ペア:

[(1, 318847984), (2, 159423992), (4, 79711996), (7, 45549712), (8, 39855998), (13, 24526768), (14, 22774856), (16, 19927999), (26, 12263384), (28, 11387428), (52, 6131692), (56, 5693714), (91, 3503824), (104, 3065846), (112, 2846857), (182, 1751912), (208, 1532923), (364, 875956), (728, 437978), (1456, 218989)]