28007172

素因数分解:

$2^2\times 3^2\times {\mathrm{777977}}^1$

素因数の和:777987

約数の個数: 18

約数和(自身を含む): 70795998

約数和(自身を除く): 42788826

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 777977, 1555954, 2333931, 3111908, 4667862, 7001793, 9335724, 14003586, 28007172]

約数ペア:

[(1, 28007172), (2, 14003586), (3, 9335724), (4, 7001793), (6, 4667862), (9, 3111908), (12, 2333931), (18, 1555954), (36, 777977)]