123872528

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{19211}}^1$

素因数の和:19263

約数の個数: 40

約数和(自身を含む): 266816256

約数和(自身を除く): 142943728

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 52, 62, 104, 124, 208, 248, 403, 496, 806, 1612, 3224, 6448, 19211, 38422, 76844, 153688, 249743, 307376, 499486, 595541, 998972, 1191082, 1997944, 2382164, 3995888, 4764328, 7742033, 9528656, 15484066, 30968132, 61936264, 123872528]

約数ペア:

[(1, 123872528), (2, 61936264), (4, 30968132), (8, 15484066), (13, 9528656), (16, 7742033), (26, 4764328), (31, 3995888), (52, 2382164), (62, 1997944), (104, 1191082), (124, 998972), (208, 595541), (248, 499486), (403, 307376), (496, 249743), (806, 153688), (1612, 76844), (3224, 38422), (6448, 19211)]