1291289488

素因数分解:

$2^4\times {\mathrm{719}}^1\times {\mathrm{112247}}^1$

素因数の和:112974

約数の個数: 20

約数和(自身を含む): 2505375360

約数和(自身を除く): 1214085872

約数列:

[1, 2, 4, 8, 16, 719, 1438, 2876, 5752, 11504, 112247, 224494, 448988, 897976, 1795952, 80705593, 161411186, 322822372, 645644744, 1291289488]

約数ペア:

[(1, 1291289488), (2, 645644744), (4, 322822372), (8, 161411186), (16, 80705593), (719, 1795952), (1438, 897976), (2876, 448988), (5752, 224494), (11504, 112247)]