641901092

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1206581}}^1$

素因数の和:1206611

約数の個数: 24

約数和(自身を含む): 1351371840

約数和(自身を除く): 709470748

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 532, 1206581, 2413162, 4826324, 8446067, 16892134, 22925039, 33784268, 45850078, 91700156, 160475273, 320950546, 641901092]

約数ペア:

[(1, 641901092), (2, 320950546), (4, 160475273), (7, 91700156), (14, 45850078), (19, 33784268), (28, 22925039), (38, 16892134), (76, 8446067), (133, 4826324), (266, 2413162), (532, 1206581)]