217621198

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1\times {\mathrm{173}}^1\times {\mathrm{191}}^1$

素因数の和:492

約数の個数: 32

約数和(自身を含む): 342766080

約数和(自身を除く): 125144882

約数列:

[1, 2, 37, 74, 89, 173, 178, 191, 346, 382, 3293, 6401, 6586, 7067, 12802, 14134, 15397, 16999, 30794, 33043, 33998, 66086, 569689, 628963, 1139378, 1222591, 1257926, 2445182, 2940827, 5881654, 108810599, 217621198]

約数ペア:

[(1, 217621198), (2, 108810599), (37, 5881654), (74, 2940827), (89, 2445182), (173, 1257926), (178, 1222591), (191, 1139378), (346, 628963), (382, 569689), (3293, 66086), (6401, 33998), (6586, 33043), (7067, 30794), (12802, 16999), (14134, 15397)]