257366967

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{137}}^1\times {\mathrm{151}}^1$

素因数の和:344

約数の個数: 64

約数和(自身を含む): 422876160

約数和(自身を除く): 165509193

約数列:

[1, 3, 11, 13, 29, 33, 39, 87, 137, 143, 151, 319, 377, 411, 429, 453, 957, 1131, 1507, 1661, 1781, 1963, 3973, 4147, 4379, 4521, 4983, 5343, 5889, 11919, 12441, 13137, 19591, 20687, 21593, 43703, 48169, 51649, 56927, 58773, 62061, 64779, 131109, 144507, 154947, 170781, 227557, 268931, 568139, 599923, 626197, 682671, 806793, 1704417, 1799769, 1878591, 2958241, 6599153, 7798999, 8874723, 19797459, 23396997, 85788989, 257366967]

約数ペア:

[(1, 257366967), (3, 85788989), (11, 23396997), (13, 19797459), (29, 8874723), (33, 7798999), (39, 6599153), (87, 2958241), (137, 1878591), (143, 1799769), (151, 1704417), (319, 806793), (377, 682671), (411, 626197), (429, 599923), (453, 568139), (957, 268931), (1131, 227557), (1507, 170781), (1661, 154947), (1781, 144507), (1963, 131109), (3973, 64779), (4147, 62061), (4379, 58773), (4521, 56927), (4983, 51649), (5343, 48169), (5889, 43703), (11919, 21593), (12441, 20687), (13137, 19591)]