347984

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{239}}^1$

素因数の和:267

約数の個数: 40

約数和(自身を含む): 833280

約数和(自身を除く): 485296

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 239, 364, 478, 728, 956, 1456, 1673, 1912, 3107, 3346, 3824, 6214, 6692, 12428, 13384, 21749, 24856, 26768, 43498, 49712, 86996, 173992, 347984]

約数ペア:

[(1, 347984), (2, 173992), (4, 86996), (7, 49712), (8, 43498), (13, 26768), (14, 24856), (16, 21749), (26, 13384), (28, 12428), (52, 6692), (56, 6214), (91, 3824), (104, 3346), (112, 3107), (182, 1912), (208, 1673), (239, 1456), (364, 956), (478, 728)]