253657201

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{181}}^1\times {\mathrm{257}}^1$

素因数の和:505

約数の個数: 32

約数和(自身を含む): 315544320

約数和(自身を除く): 61887119

約数列:

[1, 7, 19, 41, 133, 181, 257, 287, 779, 1267, 1799, 3439, 4883, 5453, 7421, 10537, 24073, 34181, 46517, 51947, 73759, 140999, 200203, 325619, 883823, 986993, 1401421, 1907197, 6186761, 13350379, 36236743, 253657201]

約数ペア:

[(1, 253657201), (7, 36236743), (19, 13350379), (41, 6186761), (133, 1907197), (181, 1401421), (257, 986993), (287, 883823), (779, 325619), (1267, 200203), (1799, 140999), (3439, 73759), (4883, 51947), (5453, 46517), (7421, 34181), (10537, 24073)]