31887856

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{181}}^1$

素因数の和:231

約数の個数: 120

約数和(自身を含む): 84043232

約数和(自身を除く): 52155376

約数列:

[1, 2, 4, 7, 8, 11, 13, 14, 16, 22, 26, 28, 44, 52, 56, 77, 88, 91, 104, 112, 121, 143, 154, 176, 181, 182, 208, 242, 286, 308, 362, 364, 484, 572, 616, 724, 728, 847, 968, 1001, 1144, 1232, 1267, 1448, 1456, 1573, 1694, 1936, 1991, 2002, 2288, 2353, 2534, 2896, 3146, 3388, 3982, 4004, 4706, 5068, 6292, 6776, 7964, 8008, 9412, 10136, 11011, 12584, 13552, 13937, 15928, 16016, 16471, 18824, 20272, 21901, 22022, 25168, 25883, 27874, 31856, 32942, 37648, 43802, 44044, 51766, 55748, 65884, 87604, 88088, 103532, 111496, 131768, 153307, 175208, 176176, 181181, 207064, 222992, 263536, 284713, 306614, 350416, 362362, 414128, 569426, 613228, 724724, 1138852, 1226456, 1449448, 1992991, 2277704, 2452912, 2898896, 3985982, 4555408, 7971964, 15943928, 31887856]

約数ペア:

[(1, 31887856), (2, 15943928), (4, 7971964), (7, 4555408), (8, 3985982), (11, 2898896), (13, 2452912), (14, 2277704), (16, 1992991), (22, 1449448), (26, 1226456), (28, 1138852), (44, 724724), (52, 613228), (56, 569426), (77, 414128), (88, 362362), (91, 350416), (104, 306614), (112, 284713), (121, 263536), (143, 222992), (154, 207064), (176, 181181), (181, 176176), (182, 175208), (208, 153307), (242, 131768), (286, 111496), (308, 103532), (362, 88088), (364, 87604), (484, 65884), (572, 55748), (616, 51766), (724, 44044), (728, 43802), (847, 37648), (968, 32942), (1001, 31856), (1144, 27874), (1232, 25883), (1267, 25168), (1448, 22022), (1456, 21901), (1573, 20272), (1694, 18824), (1936, 16471), (1991, 16016), (2002, 15928), (2288, 13937), (2353, 13552), (2534, 12584), (2896, 11011), (3146, 10136), (3388, 9412), (3982, 8008), (4004, 7964), (4706, 6776), (5068, 6292)]