165501856

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{20939}}^1$

素因数の和:20981

約数の個数: 48

約数和(自身を含む): 369381600

約数和(自身を除く): 203879744

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 32, 38, 52, 76, 104, 152, 208, 247, 304, 416, 494, 608, 988, 1976, 3952, 7904, 20939, 41878, 83756, 167512, 272207, 335024, 397841, 544414, 670048, 795682, 1088828, 1591364, 2177656, 3182728, 4355312, 5171933, 6365456, 8710624, 10343866, 12730912, 20687732, 41375464, 82750928, 165501856]

約数ペア:

[(1, 165501856), (2, 82750928), (4, 41375464), (8, 20687732), (13, 12730912), (16, 10343866), (19, 8710624), (26, 6365456), (32, 5171933), (38, 4355312), (52, 3182728), (76, 2177656), (104, 1591364), (152, 1088828), (208, 795682), (247, 670048), (304, 544414), (416, 397841), (494, 335024), (608, 272207), (988, 167512), (1976, 83756), (3952, 41878), (7904, 20939)]