201637891

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{349}}^1\times {\mathrm{907}}^1$

素因数の和:1283

約数の個数: 24

約数和(自身を含む): 253604400

約数和(自身を除く): 51966509

約数列:

[1, 7, 13, 49, 91, 349, 637, 907, 2443, 4537, 6349, 11791, 17101, 31759, 44443, 82537, 222313, 316543, 577759, 2215801, 4115059, 15510607, 28805413, 201637891]

約数ペア:

[(1, 201637891), (7, 28805413), (13, 15510607), (49, 4115059), (91, 2215801), (349, 577759), (637, 316543), (907, 222313), (2443, 82537), (4537, 44443), (6349, 31759), (11791, 17101)]