291788804528

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{20937773}}^1$

素因数の和:20937861

約数の個数: 40

約数和(自身を含む): 617915586288

約数和(自身を除く): 326126781760

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 67, 104, 134, 208, 268, 536, 871, 1072, 1742, 3484, 6968, 13936, 20937773, 41875546, 83751092, 167502184, 272191049, 335004368, 544382098, 1088764196, 1402830791, 2177528392, 2805661582, 4355056784, 5611323164, 11222646328, 18236800283, 22445292656, 36473600566, 72947201132, 145894402264, 291788804528]

約数ペア:

[(1, 291788804528), (2, 145894402264), (4, 72947201132), (8, 36473600566), (13, 22445292656), (16, 18236800283), (26, 11222646328), (52, 5611323164), (67, 4355056784), (104, 2805661582), (134, 2177528392), (208, 1402830791), (268, 1088764196), (536, 544382098), (871, 335004368), (1072, 272191049), (1742, 167502184), (3484, 83751092), (6968, 41875546), (13936, 20937773)]