1721605210

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1439}}^1\times {\mathrm{9203}}^1$

素因数の和:10662

約数の個数: 32

約数和(自身を含む): 3339947520

約数和(自身を除く): 1618342310

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 1439, 2878, 7195, 9203, 14390, 18406, 18707, 37414, 46015, 92030, 93535, 119639, 187070, 239278, 598195, 1196390, 13243117, 26486234, 66215585, 132431170, 172160521, 344321042, 860802605, 1721605210]

約数ペア:

[(1, 1721605210), (2, 860802605), (5, 344321042), (10, 172160521), (13, 132431170), (26, 66215585), (65, 26486234), (130, 13243117), (1439, 1196390), (2878, 598195), (7195, 239278), (9203, 187070), (14390, 119639), (18406, 93535), (18707, 92030), (37414, 46015)]