26433890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{4243}}^1$

素因数の和:4346

約数の個数: 32

約数和(自身を含む): 55002240

約数和(自身を除く): 28568350

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 89, 178, 445, 623, 890, 1246, 3115, 4243, 6230, 8486, 21215, 29701, 42430, 59402, 148505, 297010, 377627, 755254, 1888135, 2643389, 3776270, 5286778, 13216945, 26433890]

約数ペア:

[(1, 26433890), (2, 13216945), (5, 5286778), (7, 3776270), (10, 2643389), (14, 1888135), (35, 755254), (70, 377627), (89, 297010), (178, 148505), (445, 59402), (623, 42430), (890, 29701), (1246, 21215), (3115, 8486), (4243, 6230)]