208266688

素因数分解:

$2^6\times 7^1\times {\mathrm{61}}^1\times {\mathrm{7621}}^1$

素因数の和:7701

約数の個数: 56

約数和(自身を含む): 480125024

約数和(自身を除く): 271858336

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 61, 64, 112, 122, 224, 244, 427, 448, 488, 854, 976, 1708, 1952, 3416, 3904, 6832, 7621, 13664, 15242, 27328, 30484, 53347, 60968, 106694, 121936, 213388, 243872, 426776, 464881, 487744, 853552, 929762, 1707104, 1859524, 3254167, 3414208, 3719048, 6508334, 7438096, 13016668, 14876192, 26033336, 29752384, 52066672, 104133344, 208266688]

約数ペア:

[(1, 208266688), (2, 104133344), (4, 52066672), (7, 29752384), (8, 26033336), (14, 14876192), (16, 13016668), (28, 7438096), (32, 6508334), (56, 3719048), (61, 3414208), (64, 3254167), (112, 1859524), (122, 1707104), (224, 929762), (244, 853552), (427, 487744), (448, 464881), (488, 426776), (854, 243872), (976, 213388), (1708, 121936), (1952, 106694), (3416, 60968), (3904, 53347), (6832, 30484), (7621, 27328), (13664, 15242)]