128658712

素因数分解:

$2^3\times 7^2\times {\mathrm{13}}^1\times {\mathrm{25247}}^1$

素因数の和:25280

約数の個数: 48

約数和(自身を含む): 302218560

約数和(自身を除く): 173559848

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 49, 52, 56, 91, 98, 104, 182, 196, 364, 392, 637, 728, 1274, 2548, 5096, 25247, 50494, 100988, 176729, 201976, 328211, 353458, 656422, 706916, 1237103, 1312844, 1413832, 2297477, 2474206, 2625688, 4594954, 4948412, 9189908, 9896824, 16082339, 18379816, 32164678, 64329356, 128658712]

約数ペア:

[(1, 128658712), (2, 64329356), (4, 32164678), (7, 18379816), (8, 16082339), (13, 9896824), (14, 9189908), (26, 4948412), (28, 4594954), (49, 2625688), (52, 2474206), (56, 2297477), (91, 1413832), (98, 1312844), (104, 1237103), (182, 706916), (196, 656422), (364, 353458), (392, 328211), (637, 201976), (728, 176729), (1274, 100988), (2548, 50494), (5096, 25247)]