128787392

素因数分解:

$2^6\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{467}}^1$

素因数の和:649

約数の個数: 56

約数和(自身を含む): 266273280

約数和(自身を除く): 137485888

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 139, 248, 278, 467, 496, 556, 934, 992, 1112, 1868, 1984, 2224, 3736, 4309, 4448, 7472, 8618, 8896, 14477, 14944, 17236, 28954, 29888, 34472, 57908, 64913, 68944, 115816, 129826, 137888, 231632, 259652, 275776, 463264, 519304, 926528, 1038608, 2012303, 2077216, 4024606, 4154432, 8049212, 16098424, 32196848, 64393696, 128787392]

約数ペア:

[(1, 128787392), (2, 64393696), (4, 32196848), (8, 16098424), (16, 8049212), (31, 4154432), (32, 4024606), (62, 2077216), (64, 2012303), (124, 1038608), (139, 926528), (248, 519304), (278, 463264), (467, 275776), (496, 259652), (556, 231632), (934, 137888), (992, 129826), (1112, 115816), (1868, 68944), (1984, 64913), (2224, 57908), (3736, 34472), (4309, 29888), (4448, 28954), (7472, 17236), (8618, 14944), (8896, 14477)]