209687645872

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{53791}}^1\times {\mathrm{12823}}^1$

素因数の和:66641

約数の個数: 40

約数和(自身を含む): 427693736960

約数和(自身を除く): 218006091088

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 12823, 25646, 51292, 53791, 102584, 107582, 205168, 215164, 243637, 430328, 487274, 860656, 974548, 1022029, 1949096, 2044058, 3898192, 4088116, 8176232, 16352464, 689761993, 1379523986, 2759047972, 5518095944, 11036191888, 13105477867, 26210955734, 52421911468, 104843822936, 209687645872]

約数ペア:

[(1, 209687645872), (2, 104843822936), (4, 52421911468), (8, 26210955734), (16, 13105477867), (19, 11036191888), (38, 5518095944), (76, 2759047972), (152, 1379523986), (304, 689761993), (12823, 16352464), (25646, 8176232), (51292, 4088116), (53791, 3898192), (102584, 2044058), (107582, 1949096), (205168, 1022029), (215164, 974548), (243637, 860656), (430328, 487274)]