7781648

素因数分解:

$2^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1$

素因数の和:160

約数の個数: 80

約数和(自身を含む): 18820224

約数和(自身を除く): 11038576

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 34, 56, 61, 67, 68, 112, 119, 122, 134, 136, 238, 244, 268, 272, 427, 469, 476, 488, 536, 854, 938, 952, 976, 1037, 1072, 1139, 1708, 1876, 1904, 2074, 2278, 3416, 3752, 4087, 4148, 4556, 6832, 7259, 7504, 7973, 8174, 8296, 9112, 14518, 15946, 16348, 16592, 18224, 28609, 29036, 31892, 32696, 57218, 58072, 63784, 65392, 69479, 114436, 116144, 127568, 138958, 228872, 277916, 457744, 486353, 555832, 972706, 1111664, 1945412, 3890824, 7781648]

約数ペア:

[(1, 7781648), (2, 3890824), (4, 1945412), (7, 1111664), (8, 972706), (14, 555832), (16, 486353), (17, 457744), (28, 277916), (34, 228872), (56, 138958), (61, 127568), (67, 116144), (68, 114436), (112, 69479), (119, 65392), (122, 63784), (134, 58072), (136, 57218), (238, 32696), (244, 31892), (268, 29036), (272, 28609), (427, 18224), (469, 16592), (476, 16348), (488, 15946), (536, 14518), (854, 9112), (938, 8296), (952, 8174), (976, 7973), (1037, 7504), (1072, 7259), (1139, 6832), (1708, 4556), (1876, 4148), (1904, 4087), (2074, 3752), (2278, 3416)]