1940987672

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{1181}}^1\times {\mathrm{15803}}^1$

素因数の和:17003

約数の個数: 32

約数和(自身を含む): 3922868880

約数和(自身を除く): 1981881208

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 1181, 2362, 4724, 9448, 15353, 15803, 30706, 31606, 61412, 63212, 122824, 126424, 205439, 410878, 821756, 1643512, 18663343, 37326686, 74653372, 149306744, 242623459, 485246918, 970493836, 1940987672]

約数ペア:

[(1, 1940987672), (2, 970493836), (4, 485246918), (8, 242623459), (13, 149306744), (26, 74653372), (52, 37326686), (104, 18663343), (1181, 1643512), (2362, 821756), (4724, 410878), (9448, 205439), (15353, 126424), (15803, 122824), (30706, 63212), (31606, 61412)]