13220768

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{23}}^2\times {\mathrm{71}}^1$

素因数の和:138

約数の個数: 72

約数和(自身を含む): 30100896

約数和(自身を除く): 16880128

約数列:

[1, 2, 4, 8, 11, 16, 22, 23, 32, 44, 46, 71, 88, 92, 142, 176, 184, 253, 284, 352, 368, 506, 529, 568, 736, 781, 1012, 1058, 1136, 1562, 1633, 2024, 2116, 2272, 3124, 3266, 4048, 4232, 5819, 6248, 6532, 8096, 8464, 11638, 12496, 13064, 16928, 17963, 23276, 24992, 26128, 35926, 37559, 46552, 52256, 71852, 75118, 93104, 143704, 150236, 186208, 287408, 300472, 413149, 574816, 600944, 826298, 1201888, 1652596, 3305192, 6610384, 13220768]

約数ペア:

[(1, 13220768), (2, 6610384), (4, 3305192), (8, 1652596), (11, 1201888), (16, 826298), (22, 600944), (23, 574816), (32, 413149), (44, 300472), (46, 287408), (71, 186208), (88, 150236), (92, 143704), (142, 93104), (176, 75118), (184, 71852), (253, 52256), (284, 46552), (352, 37559), (368, 35926), (506, 26128), (529, 24992), (568, 23276), (736, 17963), (781, 16928), (1012, 13064), (1058, 12496), (1136, 11638), (1562, 8464), (1633, 8096), (2024, 6532), (2116, 6248), (2272, 5819), (3124, 4232), (3266, 4048)]