28203486

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^2\times {\mathrm{29}}^1\times {\mathrm{449}}^1$

素因数の和:521

約数の個数: 48

約数和(自身を含む): 61722000

約数和(自身を除く): 33518514

約数列:

[1, 2, 3, 6, 19, 29, 38, 57, 58, 87, 114, 174, 361, 449, 551, 722, 898, 1083, 1102, 1347, 1653, 2166, 2694, 3306, 8531, 10469, 13021, 17062, 20938, 25593, 26042, 31407, 39063, 51186, 62814, 78126, 162089, 247399, 324178, 486267, 494798, 742197, 972534, 1484394, 4700581, 9401162, 14101743, 28203486]

約数ペア:

[(1, 28203486), (2, 14101743), (3, 9401162), (6, 4700581), (19, 1484394), (29, 972534), (38, 742197), (57, 494798), (58, 486267), (87, 324178), (114, 247399), (174, 162089), (361, 78126), (449, 62814), (551, 51186), (722, 39063), (898, 31407), (1083, 26042), (1102, 25593), (1347, 20938), (1653, 17062), (2166, 13021), (2694, 10469), (3306, 8531)]