1228586528

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{21247}}^1$

素因数の和:21409

約数の個数: 48

約数和(自身を含む): 2623703040

約数和(自身を除く): 1395116512

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 139, 208, 278, 416, 556, 1112, 1807, 2224, 3614, 4448, 7228, 14456, 21247, 28912, 42494, 57824, 84988, 169976, 276211, 339952, 552422, 679904, 1104844, 2209688, 2953333, 4419376, 5906666, 8838752, 11813332, 23626664, 38393329, 47253328, 76786658, 94506656, 153573316, 307146632, 614293264, 1228586528]

約数ペア:

[(1, 1228586528), (2, 614293264), (4, 307146632), (8, 153573316), (13, 94506656), (16, 76786658), (26, 47253328), (32, 38393329), (52, 23626664), (104, 11813332), (139, 8838752), (208, 5906666), (278, 4419376), (416, 2953333), (556, 2209688), (1112, 1104844), (1807, 679904), (2224, 552422), (3614, 339952), (4448, 276211), (7228, 169976), (14456, 84988), (21247, 57824), (28912, 42494)]