128078272

素因数分解:

$2^6\times 7^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{251}}^1$

素因数の和:354

約数の個数: 112

約数和(自身を含む): 313383168

約数和(自身を除く): 185304896

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 32, 34, 56, 64, 67, 68, 112, 119, 134, 136, 224, 238, 251, 268, 272, 448, 469, 476, 502, 536, 544, 938, 952, 1004, 1072, 1088, 1139, 1757, 1876, 1904, 2008, 2144, 2278, 3514, 3752, 3808, 4016, 4267, 4288, 4556, 7028, 7504, 7616, 7973, 8032, 8534, 9112, 14056, 15008, 15946, 16064, 16817, 17068, 18224, 28112, 29869, 30016, 31892, 33634, 34136, 36448, 56224, 59738, 63784, 67268, 68272, 72896, 112448, 117719, 119476, 127568, 134536, 136544, 235438, 238952, 255136, 269072, 273088, 285889, 470876, 477904, 510272, 538144, 571778, 941752, 955808, 1076288, 1143556, 1883504, 1911616, 2001223, 2287112, 3767008, 4002446, 4574224, 7534016, 8004892, 9148448, 16009784, 18296896, 32019568, 64039136, 128078272]

約数ペア:

[(1, 128078272), (2, 64039136), (4, 32019568), (7, 18296896), (8, 16009784), (14, 9148448), (16, 8004892), (17, 7534016), (28, 4574224), (32, 4002446), (34, 3767008), (56, 2287112), (64, 2001223), (67, 1911616), (68, 1883504), (112, 1143556), (119, 1076288), (134, 955808), (136, 941752), (224, 571778), (238, 538144), (251, 510272), (268, 477904), (272, 470876), (448, 285889), (469, 273088), (476, 269072), (502, 255136), (536, 238952), (544, 235438), (938, 136544), (952, 134536), (1004, 127568), (1072, 119476), (1088, 117719), (1139, 112448), (1757, 72896), (1876, 68272), (1904, 67268), (2008, 63784), (2144, 59738), (2278, 56224), (3514, 36448), (3752, 34136), (3808, 33634), (4016, 31892), (4267, 30016), (4288, 29869), (4556, 28112), (7028, 18224), (7504, 17068), (7616, 16817), (7973, 16064), (8032, 15946), (8534, 15008), (9112, 14056)]