7971964

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{181}}^1$

素因数の和:227

約数の個数: 72

約数和(自身を含む): 18977504

約数和(自身を除く): 11005540

約数列:

[1, 2, 4, 7, 11, 13, 14, 22, 26, 28, 44, 52, 77, 91, 121, 143, 154, 181, 182, 242, 286, 308, 362, 364, 484, 572, 724, 847, 1001, 1267, 1573, 1694, 1991, 2002, 2353, 2534, 3146, 3388, 3982, 4004, 4706, 5068, 6292, 7964, 9412, 11011, 13937, 16471, 21901, 22022, 25883, 27874, 32942, 43802, 44044, 51766, 55748, 65884, 87604, 103532, 153307, 181181, 284713, 306614, 362362, 569426, 613228, 724724, 1138852, 1992991, 3985982, 7971964]

約数ペア:

[(1, 7971964), (2, 3985982), (4, 1992991), (7, 1138852), (11, 724724), (13, 613228), (14, 569426), (22, 362362), (26, 306614), (28, 284713), (44, 181181), (52, 153307), (77, 103532), (91, 87604), (121, 65884), (143, 55748), (154, 51766), (181, 44044), (182, 43802), (242, 32942), (286, 27874), (308, 25883), (362, 22022), (364, 21901), (484, 16471), (572, 13937), (724, 11011), (847, 9412), (1001, 7964), (1267, 6292), (1573, 5068), (1694, 4706), (1991, 4004), (2002, 3982), (2353, 3388), (2534, 3146)]