391020728

素因数分解:

$2^3\times 7^1\times {\mathrm{1289}}^1\times {\mathrm{5417}}^1$

素因数の和:6719

約数の個数: 32

約数和(自身を含む): 838706400

約数和(自身を除く): 447685672

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 1289, 2578, 5156, 5417, 9023, 10312, 10834, 18046, 21668, 36092, 37919, 43336, 72184, 75838, 151676, 303352, 6982513, 13965026, 27930052, 48877591, 55860104, 97755182, 195510364, 391020728]

約数ペア:

[(1, 391020728), (2, 195510364), (4, 97755182), (7, 55860104), (8, 48877591), (14, 27930052), (28, 13965026), (56, 6982513), (1289, 303352), (2578, 151676), (5156, 75838), (5417, 72184), (9023, 43336), (10312, 37919), (10834, 36092), (18046, 21668)]