87855616

素因数分解:

$2^9\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{97}}^1$

素因数の和:205

約数の個数: 80

約数和(自身を含む): 186472440

約数和(自身を除く): 98616824

約数列:

[1, 2, 4, 8, 16, 29, 32, 58, 61, 64, 97, 116, 122, 128, 194, 232, 244, 256, 388, 464, 488, 512, 776, 928, 976, 1552, 1769, 1856, 1952, 2813, 3104, 3538, 3712, 3904, 5626, 5917, 6208, 7076, 7424, 7808, 11252, 11834, 12416, 14152, 14848, 15616, 22504, 23668, 24832, 28304, 31232, 45008, 47336, 49664, 56608, 90016, 94672, 113216, 171593, 180032, 189344, 226432, 343186, 360064, 378688, 452864, 686372, 720128, 757376, 905728, 1372744, 1440256, 1514752, 2745488, 3029504, 5490976, 10981952, 21963904, 43927808, 87855616]

約数ペア:

[(1, 87855616), (2, 43927808), (4, 21963904), (8, 10981952), (16, 5490976), (29, 3029504), (32, 2745488), (58, 1514752), (61, 1440256), (64, 1372744), (97, 905728), (116, 757376), (122, 720128), (128, 686372), (194, 452864), (232, 378688), (244, 360064), (256, 343186), (388, 226432), (464, 189344), (488, 180032), (512, 171593), (776, 113216), (928, 94672), (976, 90016), (1552, 56608), (1769, 49664), (1856, 47336), (1952, 45008), (2813, 31232), (3104, 28304), (3538, 24832), (3712, 23668), (3904, 22504), (5626, 15616), (5917, 14848), (6208, 14152), (7076, 12416), (7424, 11834), (7808, 11252)]