640965389872

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{433}}^1\times {\mathrm{2256539}}^1$

素因数の和:2257021

約数の個数: 40

約数和(自身を含む): 1275098544720

約数和(自身を除く): 634133154848

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 433, 656, 866, 1732, 3464, 6928, 17753, 35506, 71012, 142024, 284048, 2256539, 4513078, 9026156, 18052312, 36104624, 92518099, 185036198, 370072396, 740144792, 977081387, 1480289584, 1954162774, 3908325548, 7816651096, 15633302192, 40060336867, 80120673734, 160241347468, 320482694936, 640965389872]

約数ペア:

[(1, 640965389872), (2, 320482694936), (4, 160241347468), (8, 80120673734), (16, 40060336867), (41, 15633302192), (82, 7816651096), (164, 3908325548), (328, 1954162774), (433, 1480289584), (656, 977081387), (866, 740144792), (1732, 370072396), (3464, 185036198), (6928, 92518099), (17753, 36104624), (35506, 18052312), (71012, 9026156), (142024, 4513078), (284048, 2256539)]