209218790

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{14519}}^1$

素因数の和:14668

約数の個数: 32

約数和(自身を含む): 413994240

約数和(自身を除く): 204775450

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 131, 262, 655, 1310, 1441, 2882, 7205, 14410, 14519, 29038, 72595, 145190, 159709, 319418, 798545, 1597090, 1901989, 3803978, 9509945, 19019890, 20921879, 41843758, 104609395, 209218790]

約数ペア:

[(1, 209218790), (2, 104609395), (5, 41843758), (10, 20921879), (11, 19019890), (22, 9509945), (55, 3803978), (110, 1901989), (131, 1597090), (262, 798545), (655, 319418), (1310, 159709), (1441, 145190), (2882, 72595), (7205, 29038), (14410, 14519)]