81312608

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{2753}}^1$

素因数の和:2847

約数の個数: 48

約数和(自身を含む): 174890016

約数和(自身を除く): 93577408

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 71, 104, 142, 208, 284, 416, 568, 923, 1136, 1846, 2272, 2753, 3692, 5506, 7384, 11012, 14768, 22024, 29536, 35789, 44048, 71578, 88096, 143156, 195463, 286312, 390926, 572624, 781852, 1145248, 1563704, 2541019, 3127408, 5082038, 6254816, 10164076, 20328152, 40656304, 81312608]

約数ペア:

[(1, 81312608), (2, 40656304), (4, 20328152), (8, 10164076), (13, 6254816), (16, 5082038), (26, 3127408), (32, 2541019), (52, 1563704), (71, 1145248), (104, 781852), (142, 572624), (208, 390926), (284, 286312), (416, 195463), (568, 143156), (923, 88096), (1136, 71578), (1846, 44048), (2272, 35789), (2753, 29536), (3692, 22024), (5506, 14768), (7384, 11012)]