261179244

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{381841}}^1$

素因数の和:381870

約数の個数: 36

約数和(自身を含む): 694952440

約数和(自身を除く): 433773196

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 114, 171, 228, 342, 684, 381841, 763682, 1145523, 1527364, 2291046, 3436569, 4582092, 6873138, 7254979, 13746276, 14509958, 21764937, 29019916, 43529874, 65294811, 87059748, 130589622, 261179244]

約数ペア:

[(1, 261179244), (2, 130589622), (3, 87059748), (4, 65294811), (6, 43529874), (9, 29019916), (12, 21764937), (18, 14509958), (19, 13746276), (36, 7254979), (38, 6873138), (57, 4582092), (76, 3436569), (114, 2291046), (171, 1527364), (228, 1145523), (342, 763682), (684, 381841)]