12758272

素因数分解:

$2^8\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1$

素因数の和:139

約数の個数: 72

約数和(自身を含む): 27880160

約数和(自身を除く): 15121888

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 43, 61, 64, 76, 86, 122, 128, 152, 172, 244, 256, 304, 344, 488, 608, 688, 817, 976, 1159, 1216, 1376, 1634, 1952, 2318, 2432, 2623, 2752, 3268, 3904, 4636, 4864, 5246, 5504, 6536, 7808, 9272, 10492, 11008, 13072, 15616, 18544, 20984, 26144, 37088, 41968, 49837, 52288, 74176, 83936, 99674, 104576, 148352, 167872, 199348, 209152, 296704, 335744, 398696, 671488, 797392, 1594784, 3189568, 6379136, 12758272]

約数ペア:

[(1, 12758272), (2, 6379136), (4, 3189568), (8, 1594784), (16, 797392), (19, 671488), (32, 398696), (38, 335744), (43, 296704), (61, 209152), (64, 199348), (76, 167872), (86, 148352), (122, 104576), (128, 99674), (152, 83936), (172, 74176), (244, 52288), (256, 49837), (304, 41968), (344, 37088), (488, 26144), (608, 20984), (688, 18544), (817, 15616), (976, 13072), (1159, 11008), (1216, 10492), (1376, 9272), (1634, 7808), (1952, 6536), (2318, 5504), (2432, 5246), (2623, 4864), (2752, 4636), (3268, 3904)]