28422966

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{211}}^1$

素因数の和:397

約数の個数: 64

約数和(自身を含む): 67527936

約数和(自身を除く): 39104970

約数列:

[1, 2, 3, 6, 11, 13, 22, 26, 33, 39, 66, 78, 143, 157, 211, 286, 314, 422, 429, 471, 633, 858, 942, 1266, 1727, 2041, 2321, 2743, 3454, 4082, 4642, 5181, 5486, 6123, 6963, 8229, 10362, 12246, 13926, 16458, 22451, 30173, 33127, 44902, 60346, 66254, 67353, 90519, 99381, 134706, 181038, 198762, 364397, 430651, 728794, 861302, 1093191, 1291953, 2186382, 2583906, 4737161, 9474322, 14211483, 28422966]

約数ペア:

[(1, 28422966), (2, 14211483), (3, 9474322), (6, 4737161), (11, 2583906), (13, 2186382), (22, 1291953), (26, 1093191), (33, 861302), (39, 728794), (66, 430651), (78, 364397), (143, 198762), (157, 181038), (211, 134706), (286, 99381), (314, 90519), (422, 67353), (429, 66254), (471, 60346), (633, 44902), (858, 33127), (942, 30173), (1266, 22451), (1727, 16458), (2041, 13926), (2321, 12246), (2743, 10362), (3454, 8229), (4082, 6963), (4642, 6123), (5181, 5486)]