208539890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{14717}}^1$

素因数の和:14846

約数の個数: 32

約数和(自身を含む): 407982960

約数和(自身を除く): 199443070

約数列:

[1, 2, 5, 10, 13, 26, 65, 109, 130, 218, 545, 1090, 1417, 2834, 7085, 14170, 14717, 29434, 73585, 147170, 191321, 382642, 956605, 1604153, 1913210, 3208306, 8020765, 16041530, 20853989, 41707978, 104269945, 208539890]

約数ペア:

[(1, 208539890), (2, 104269945), (5, 41707978), (10, 20853989), (13, 16041530), (26, 8020765), (65, 3208306), (109, 1913210), (130, 1604153), (218, 956605), (545, 382642), (1090, 191321), (1417, 147170), (2834, 73585), (7085, 29434), (14170, 14717)]