201690478

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{127}}^1\times {\mathrm{1951}}^1$

素因数の和:2128

約数の個数: 32

約数和(自身を含む): 341803008

約数和(自身を除く): 140112530

約数列:

[1, 2, 11, 22, 37, 74, 127, 254, 407, 814, 1397, 1951, 2794, 3902, 4699, 9398, 21461, 42922, 51689, 72187, 103378, 144374, 247777, 495554, 794057, 1588114, 2725547, 5451094, 9167749, 18335498, 100845239, 201690478]

約数ペア:

[(1, 201690478), (2, 100845239), (11, 18335498), (22, 9167749), (37, 5451094), (74, 2725547), (127, 1588114), (254, 794057), (407, 495554), (814, 247777), (1397, 144374), (1951, 103378), (2794, 72187), (3902, 51689), (4699, 42922), (9398, 21461)]