221299596

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{878173}}^1$

素因数の和:878190

約数の個数: 36

約数和(自身を含む): 639310672

約数和(自身を除く): 418011076

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 878173, 1756346, 2634519, 3512692, 5269038, 6147211, 7903557, 10538076, 12294422, 15807114, 18441633, 24588844, 31614228, 36883266, 55324899, 73766532, 110649798, 221299596]

約数ペア:

[(1, 221299596), (2, 110649798), (3, 73766532), (4, 55324899), (6, 36883266), (7, 31614228), (9, 24588844), (12, 18441633), (14, 15807114), (18, 12294422), (21, 10538076), (28, 7903557), (36, 6147211), (42, 5269038), (63, 3512692), (84, 2634519), (126, 1756346), (252, 878173)]